{
  "x402Version": 2,
  "id": 39266,
  "slug": "39266",
  "resource": "https://api.magentlab.com/api/calc/car_olt",
  "description": "VanWagner 2017 CAR-OLT integer points (Table 3) for 1-year CVD complication after first orthotopic liver transplant: age bands, sex, caller-assigned race (white 7, black 10, other 0), work, education, atrial fibrillation 25, ventilator 13, pulmonary hypertension 9, no HCC 6, hypertension 4, diabetes 4, heart failure 7. Table 4 predicted percent. Not a listing decision. magent does not assign race.",
  "type": "http",
  "serviceName": "magent",
  "resourceType": "Agent Service",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "5000",
      "amountUsd": 0.005,
      "maxTimeoutSeconds": 600
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "iconUrl": "https://api.magentlab.com/favicon.ico",
        "input": {
          "body": {
            "items": [
              {
                "age": 40,
                "atrial_fibrillation": false,
                "diabetes": false,
                "education": "college",
                "hcc": true,
                "heart_failure": false,
                "hypertension": false,
                "pulmonary_hypertension": false,
                "race_group": "other",
                "sex": "male",
                "ventilator_respiratory_failure": false,
                "working_for_income": true
              },
              {
                "age": 40,
                "atrial_fibrillation": false,
                "diabetes": false,
                "education": "college",
                "hcc": true,
                "heart_failure": false,
                "hypertension": false,
                "pulmonary_hypertension": false,
                "race_group": "other",
                "sex": "male",
                "ventilator_respiratory_failure": false,
                "working_for_income": true
              }
            ]
          },
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "count": 2,
            "items": [
              {
                "age_years": 40,
                "citation": {
                  "authors": "VanWagner LB, Ning H, Whitsett M, Levitsky J, Uttal S, Wilkins JT, Abecassis MM, Ladner DP, Skaro AI, Lloyd-Jones DM",
                  "doi": "10.1002/hep.29329",
                  "id": "vanwagner-2017-car-olt",
                  "pmid": "28703417",
                  "source": "Hepatology. 2017;66(6):1968-1979",
                  "title": "A point-based prediction model for cardiovascular risk in orthotopic liver transplantation: The CAR-OLT score"
                },
                "components": [
                  {
                    "factor": "age",
                    "points": 0,
                    "present": false,
                    "value": 40
                  },
                  {
                    "factor": "sex",
                    "points": 0,
                    "present": false,
                    "value": "male"
                  },
                  {
                    "factor": "race_group",
                    "points": 0,
                    "present": false,
                    "value": "other"
                  },
                  {
                    "factor": "working_for_income",
                    "points": 0,
                    "present": false,
                    "value": true
                  },
                  {
                    "factor": "education",
                    "points": 0,
                    "present": false,
                    "value": "college"
                  },
                  {
                    "factor": "atrial_fibrillation",
                    "points": 0,
                    "present": false
                  },
                  {
                    "factor": "ventilator_respiratory_failure",
                    "points": 0,
                    "present": false
                  },
                  {
                    "factor": "pulmonary_hypertension",
                    "points": 0,
                    "present": false
                  },
                  {
                    "factor": "hcc",
                    "points": 0,
                    "present": false,
                    "value": true
                  },
                  {
                    "factor": "hypertension",
                    "points": 0,
                    "present": false
                  },
                  {
                    "factor": "diabetes",
                    "points": 0,
                    "present": false
                  },
                  {
                    "factor": "heart_failure",
                    "points": 0,
                    "present": false
                  }
                ],
                "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
                "education": "college",
                "formula": "car_olt",
                "formula_expression": "CAR-OLT = age (<45 0, 45-49 -6, 50-54 -4, 55-59 2, 60-64 5, >=65 8) + sex (male 0, female 1) + race_group (white 7, black 10, other 0) + not working 10 + education (high_school_or_unknown 5, college 0) + atrial_fibrillation 25 + ventilator_respiratory_failure 13 + pulmonary_hypertension 9 + no HCC 6 + hypertension 4 + diabetes 4 + heart_failure 7; VanWagner 2017 Table 3; Table 4 1-year predicted CVD %; unclamped; score 9 uses the <9 row",
                "max_score": 102,
                "predicted_1yr_cvd_percent": "<5%",
                "race_group": "other",
                "score": 0,
                "sex": "male",
                "working_for_income": true
              },
              {
                "age_years": 40,
                "citation": {
                  "authors": "VanWagner LB, Ning H, Whitsett M, Levitsky J, Uttal S, Wilkins JT, Abecassis MM, Ladner DP, Skaro AI, Lloyd-Jones DM",
                  "doi": "10.1002/hep.29329",
                  "id": "vanwagner-2017-car-olt",
                  "pmid": "28703417",
                  "source": "Hepatology. 2017;66(6):1968-1979",
                  "title": "A point-based prediction model for cardiovascular risk in orthotopic liver transplantation: The CAR-OLT score"
                },
                "components": [
                  {
                    "factor": "age",
                    "points": 0,
                    "present": false,
                    "value": 40
                  },
                  {
                    "factor": "sex",
                    "points": 0,
                    "present": false,
                    "value": "male"
                  },
                  {
                    "factor": "race_group",
                    "points": 0,
                    "present": false,
                    "value": "other"
                  },
                  {
                    "factor": "working_for_income",
                    "points": 0,
                    "present": false,
                    "value": true
                  },
                  {
                    "factor": "education",
                    "points": 0,
                    "present": false,
                    "value": "college"
                  },
                  {
                    "factor": "atrial_fibrillation",
                    "points": 0,
                    "present": false
                  },
                  {
                    "factor": "ventilator_respiratory_failure",
                    "points": 0,
                    "present": false
                  },
                  {
                    "factor": "pulmonary_hypertension",
                    "points": 0,
                    "present": false
                  },
                  {
                    "factor": "hcc",
                    "points": 0,
                    "present": false,
                    "value": true
                  },
                  {
                    "factor": "hypertension",
                    "points": 0,
                    "present": false
                  },
                  {
                    "factor": "diabetes",
                    "points": 0,
                    "present": false
                  },
                  {
                    "factor": "heart_failure",
                    "points": 0,
                    "present": false
                  }
                ],
                "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
                "education": "college",
                "formula": "car_olt",
                "formula_expression": "CAR-OLT = age (<45 0, 45-49 -6, 50-54 -4, 55-59 2, 60-64 5, >=65 8) + sex (male 0, female 1) + race_group (white 7, black 10, other 0) + not working 10 + education (high_school_or_unknown 5, college 0) + atrial_fibrillation 25 + ventilator_respiratory_failure 13 + pulmonary_hypertension 9 + no HCC 6 + hypertension 4 + diabetes 4 + heart_failure 7; VanWagner 2017 Table 3; Table 4 1-year predicted CVD %; unclamped; score 9 uses the <9 row",
                "max_score": 102,
                "predicted_1yr_cvd_percent": "<5%",
                "race_group": "other",
                "score": 0,
                "sex": "male",
                "working_for_income": true
              }
            ],
            "path": "/api/calc/car_olt"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "additionalProperties": false,
                "properties": {
                  "items": {
                    "items": {
                      "properties": {
                        "age": {
                          "description": "Age in years (integer 18-120). VanWagner 2017 Table 3: <45 scores 0; 45-49 scores -6; 50-54 scores -4; 55-59 scores 2; 60-64 scores 5; ≥65 scores 8. Derivation was first OLT ages 18-75; ≥65 is the top Table 3 band.",
                          "type": "integer"
                        },
                        "atrial_fibrillation": {
                          "description": "History of atrial fibrillation prior to transplant (VanWagner 2017 Table 3). true scores 25. magent does not read an ECG.",
                          "type": "boolean"
                        },
                        "diabetes": {
                          "description": "History of diabetes prior to transplant (VanWagner 2017 Table 3). true scores 4. magent does not assay glucose.",
                          "type": "boolean"
                        },
                        "education": {
                          "description": "Caller-assigned education (VanWagner 2017 Table 3). college scores 0 (College+ referent); high_school_or_unknown scores 5. magent does not assign education.",
                          "enum": [
                            "high_school_or_unknown",
                            "college"
                          ],
                          "type": "string"
                        },
                        "hcc": {
                          "description": "History of hepatocellular carcinoma (VanWagner 2017 Table 3). true scores 0 (referent); false scores 6. No HCC is the higher-risk term. magent does not diagnose HCC.",
                          "type": "boolean"
                        },
                        "heart_failure": {
                          "description": "History of heart failure prior to transplant (VanWagner 2017 Table 3). true scores 7. magent does not diagnose heart failure.",
                          "type": "boolean"
                        },
                        "hypertension": {
                          "description": "History of systemic hypertension prior to transplant (VanWagner 2017 Table 3). true scores 4. magent does not measure blood pressure.",
                          "type": "boolean"
                        },
                        "pulmonary_hypertension": {
                          "description": "History of pulmonary hypertension prior to transplant (VanWagner 2017 Table 3). true scores 9. magent does not perform right-heart catheterization.",
                          "type": "boolean"
                        },
                        "race_group": {
                          "description": "Caller-assigned race as used in VanWagner 2017 Table 3. white scores 7; black scores 10; other scores 0 (referent). Hispanic and Asian map to other in this model. magent does not assign race.",
                          "enum": [
                            "white",
                            "black",
                            "other"
                          ],
                          "type": "string"
                        },
                        "sex": {
                          "description": "Caller-assigned sex (VanWagner 2017 Table 3). male scores 0 (referent); female scores 1. magent does not assign sex.",
                          "enum": [
                            "female",
                            "male"
                          ],
                          "type": "string"
                        },
                        "ventilator_respiratory_failure": {
                          "description": "Respiratory failure on a ventilator at transplant (VanWagner 2017 Table 3). true scores 13. magent does not observe ventilation.",
                          "type": "boolean"
                        },
                        "working_for_income": {
                          "description": "Working for income at transplant (VanWagner 2017 Table 3). true scores 0 (referent); false scores 10. magent does not assign employment.",
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "age",
                        "sex",
                        "race_group",
                        "working_for_income",
                        "education",
                        "atrial_fibrillation",
                        "ventilator_respiratory_failure",
                        "pulmonary_hypertension",
                        "hcc",
                        "hypertension",
                        "diabetes",
                        "heart_failure"
                      ],
                      "type": "object"
                    },
                    "maxItems": 25,
                    "minItems": 1,
                    "type": "array"
                  }
                },
                "required": [
                  "items"
                ],
                "type": "object"
              },
              "headers": {
                "additionalProperties": {
                  "type": "string"
                },
                "type": "object"
              },
              "method": {
                "const": "POST",
                "type": "string"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "car-olt",
    "liver",
    "transplant",
    "cvd",
    "score",
    "bazaar"
  ],
  "sourceHost": "api.magentlab.com",
  "lastUpdated": "2026-10-13T01:01:08.609Z",
  "quality": {
    "calls30d": 5,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-10-13T01:01:08.494Z"
  },
  "metadata": {
    "serviceName": "magent",
    "extensions": {
      "bazaar": {
        "info": {
          "iconUrl": "https://api.magentlab.com/favicon.ico",
          "input": {
            "body": {
              "items": [
                {
                  "age": 40,
                  "atrial_fibrillation": false,
                  "diabetes": false,
                  "education": "college",
                  "hcc": true,
                  "heart_failure": false,
                  "hypertension": false,
                  "pulmonary_hypertension": false,
                  "race_group": "other",
                  "sex": "male",
                  "ventilator_respiratory_failure": false,
                  "working_for_income": true
                },
                {
                  "age": 40,
                  "atrial_fibrillation": false,
                  "diabetes": false,
                  "education": "college",
                  "hcc": true,
                  "heart_failure": false,
                  "hypertension": false,
                  "pulmonary_hypertension": false,
                  "race_group": "other",
                  "sex": "male",
                  "ventilator_respiratory_failure": false,
                  "working_for_income": true
                }
              ]
            },
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "count": 2,
              "items": [
                {
                  "age_years": 40,
                  "citation": {
                    "authors": "VanWagner LB, Ning H, Whitsett M, Levitsky J, Uttal S, Wilkins JT, Abecassis MM, Ladner DP, Skaro AI, Lloyd-Jones DM",
                    "doi": "10.1002/hep.29329",
                    "id": "vanwagner-2017-car-olt",
                    "pmid": "28703417",
                    "source": "Hepatology. 2017;66(6):1968-1979",
                    "title": "A point-based prediction model for cardiovascular risk in orthotopic liver transplantation: The CAR-OLT score"
                  },
                  "components": [
                    {
                      "factor": "age",
                      "points": 0,
                      "present": false,
                      "value": 40
                    },
                    {
                      "factor": "sex",
                      "points": 0,
                      "present": false,
                      "value": "male"
                    },
                    {
                      "factor": "race_group",
                      "points": 0,
                      "present": false,
                      "value": "other"
                    },
                    {
                      "factor": "working_for_income",
                      "points": 0,
                      "present": false,
                      "value": true
                    },
                    {
                      "factor": "education",
                      "points": 0,
                      "present": false,
                      "value": "college"
                    },
                    {
                      "factor": "atrial_fibrillation",
                      "points": 0,
                      "present": false
                    },
                    {
                      "factor": "ventilator_respiratory_failure",
                      "points": 0,
                      "present": false
                    },
                    {
                      "factor": "pulmonary_hypertension",
                      "points": 0,
                      "present": false
                    },
                    {
                      "factor": "hcc",
                      "points": 0,
                      "present": false,
                      "value": true
                    },
                    {
                      "factor": "hypertension",
                      "points": 0,
                      "present": false
                    },
                    {
                      "factor": "diabetes",
                      "points": 0,
                      "present": false
                    },
                    {
                      "factor": "heart_failure",
                      "points": 0,
                      "present": false
                    }
                  ],
                  "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
                  "education": "college",
                  "formula": "car_olt",
                  "formula_expression": "CAR-OLT = age (<45 0, 45-49 -6, 50-54 -4, 55-59 2, 60-64 5, >=65 8) + sex (male 0, female 1) + race_group (white 7, black 10, other 0) + not working 10 + education (high_school_or_unknown 5, college 0) + atrial_fibrillation 25 + ventilator_respiratory_failure 13 + pulmonary_hypertension 9 + no HCC 6 + hypertension 4 + diabetes 4 + heart_failure 7; VanWagner 2017 Table 3; Table 4 1-year predicted CVD %; unclamped; score 9 uses the <9 row",
                  "max_score": 102,
                  "predicted_1yr_cvd_percent": "<5%",
                  "race_group": "other",
                  "score": 0,
                  "sex": "male",
                  "working_for_income": true
                },
                {
                  "age_years": 40,
                  "citation": {
                    "authors": "VanWagner LB, Ning H, Whitsett M, Levitsky J, Uttal S, Wilkins JT, Abecassis MM, Ladner DP, Skaro AI, Lloyd-Jones DM",
                    "doi": "10.1002/hep.29329",
                    "id": "vanwagner-2017-car-olt",
                    "pmid": "28703417",
                    "source": "Hepatology. 2017;66(6):1968-1979",
                    "title": "A point-based prediction model for cardiovascular risk in orthotopic liver transplantation: The CAR-OLT score"
                  },
                  "components": [
                    {
                      "factor": "age",
                      "points": 0,
                      "present": false,
                      "value": 40
                    },
                    {
                      "factor": "sex",
                      "points": 0,
                      "present": false,
                      "value": "male"
                    },
                    {
                      "factor": "race_group",
                      "points": 0,
                      "present": false,
                      "value": "other"
                    },
                    {
                      "factor": "working_for_income",
                      "points": 0,
                      "present": false,
                      "value": true
                    },
                    {
                      "factor": "education",
                      "points": 0,
                      "present": false,
                      "value": "college"
                    },
                    {
                      "factor": "atrial_fibrillation",
                      "points": 0,
                      "present": false
                    },
                    {
                      "factor": "ventilator_respiratory_failure",
                      "points": 0,
                      "present": false
                    },
                    {
                      "factor": "pulmonary_hypertension",
                      "points": 0,
                      "present": false
                    },
                    {
                      "factor": "hcc",
                      "points": 0,
                      "present": false,
                      "value": true
                    },
                    {
                      "factor": "hypertension",
                      "points": 0,
                      "present": false
                    },
                    {
                      "factor": "diabetes",
                      "points": 0,
                      "present": false
                    },
                    {
                      "factor": "heart_failure",
                      "points": 0,
                      "present": false
                    }
                  ],
                  "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
                  "education": "college",
                  "formula": "car_olt",
                  "formula_expression": "CAR-OLT = age (<45 0, 45-49 -6, 50-54 -4, 55-59 2, 60-64 5, >=65 8) + sex (male 0, female 1) + race_group (white 7, black 10, other 0) + not working 10 + education (high_school_or_unknown 5, college 0) + atrial_fibrillation 25 + ventilator_respiratory_failure 13 + pulmonary_hypertension 9 + no HCC 6 + hypertension 4 + diabetes 4 + heart_failure 7; VanWagner 2017 Table 3; Table 4 1-year predicted CVD %; unclamped; score 9 uses the <9 row",
                  "max_score": 102,
                  "predicted_1yr_cvd_percent": "<5%",
                  "race_group": "other",
                  "score": 0,
                  "sex": "male",
                  "working_for_income": true
                }
              ],
              "path": "/api/calc/car_olt"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "items": {
                      "items": {
                        "properties": {
                          "age": {
                            "description": "Age in years (integer 18-120). VanWagner 2017 Table 3: <45 scores 0; 45-49 scores -6; 50-54 scores -4; 55-59 scores 2; 60-64 scores 5; ≥65 scores 8. Derivation was first OLT ages 18-75; ≥65 is the top Table 3 band.",
                            "type": "integer"
                          },
                          "atrial_fibrillation": {
                            "description": "History of atrial fibrillation prior to transplant (VanWagner 2017 Table 3). true scores 25. magent does not read an ECG.",
                            "type": "boolean"
                          },
                          "diabetes": {
                            "description": "History of diabetes prior to transplant (VanWagner 2017 Table 3). true scores 4. magent does not assay glucose.",
                            "type": "boolean"
                          },
                          "education": {
                            "description": "Caller-assigned education (VanWagner 2017 Table 3). college scores 0 (College+ referent); high_school_or_unknown scores 5. magent does not assign education.",
                            "enum": [
                              "high_school_or_unknown",
                              "college"
                            ],
                            "type": "string"
                          },
                          "hcc": {
                            "description": "History of hepatocellular carcinoma (VanWagner 2017 Table 3). true scores 0 (referent); false scores 6. No HCC is the higher-risk term. magent does not diagnose HCC.",
                            "type": "boolean"
                          },
                          "heart_failure": {
                            "description": "History of heart failure prior to transplant (VanWagner 2017 Table 3). true scores 7. magent does not diagnose heart failure.",
                            "type": "boolean"
                          },
                          "hypertension": {
                            "description": "History of systemic hypertension prior to transplant (VanWagner 2017 Table 3). true scores 4. magent does not measure blood pressure.",
                            "type": "boolean"
                          },
                          "pulmonary_hypertension": {
                            "description": "History of pulmonary hypertension prior to transplant (VanWagner 2017 Table 3). true scores 9. magent does not perform right-heart catheterization.",
                            "type": "boolean"
                          },
                          "race_group": {
                            "description": "Caller-assigned race as used in VanWagner 2017 Table 3. white scores 7; black scores 10; other scores 0 (referent). Hispanic and Asian map to other in this model. magent does not assign race.",
                            "enum": [
                              "white",
                              "black",
                              "other"
                            ],
                            "type": "string"
                          },
                          "sex": {
                            "description": "Caller-assigned sex (VanWagner 2017 Table 3). male scores 0 (referent); female scores 1. magent does not assign sex.",
                            "enum": [
                              "female",
                              "male"
                            ],
                            "type": "string"
                          },
                          "ventilator_respiratory_failure": {
                            "description": "Respiratory failure on a ventilator at transplant (VanWagner 2017 Table 3). true scores 13. magent does not observe ventilation.",
                            "type": "boolean"
                          },
                          "working_for_income": {
                            "description": "Working for income at transplant (VanWagner 2017 Table 3). true scores 0 (referent); false scores 10. magent does not assign employment.",
                            "type": "boolean"
                          }
                        },
                        "required": [
                          "age",
                          "sex",
                          "race_group",
                          "working_for_income",
                          "education",
                          "atrial_fibrillation",
                          "ventilator_respiratory_failure",
                          "pulmonary_hypertension",
                          "hcc",
                          "hypertension",
                          "diabetes",
                          "heart_failure"
                        ],
                        "type": "object"
                      },
                      "maxItems": 25,
                      "minItems": 1,
                      "type": "array"
                    }
                  },
                  "required": [
                    "items"
                  ],
                  "type": "object"
                },
                "headers": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "method": {
                  "const": "POST",
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "api.magentlab.com",
    "manifest_name": "api.magentlab.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-10-14T01:15:01.050Z"
  },
  "exampleResponse": {
    "example": {},
    "type": "string"
  }
}