{
  "x402Version": 2,
  "id": 39518,
  "slug": "39518",
  "resource": "https://api.magentlab.com/api/calc/dragon",
  "description": "DRAGON (Strbian 2012 Neurology) for 3-month outcome after IV thrombolysis. CT hyperdense artery or early infarct 0/1/2, prestroke mRS >1 (1), age <65/65-79/>=80 (0/1/2), glucose >8 mmol/L (mg/dL /18) (1), onset-to-treatment >90 min (1), NIHSS 0-4/5-9/10-15/>15 (0/1/2/3); max 10. Tabulated mRS 0-2 and mRS 5-6 percents for scores 0-1, 2, 3, 8, and 9-10 only. Not a tPA decision. Not studied in basilar occlusion. magent does not read CT or assign NIHSS.",
  "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": 60,
                "early_infarct_signs": false,
                "glucose_mg_dl": 108,
                "glucose_mmol_l": 6,
                "hyperdense_artery": false,
                "nihss": 3,
                "onset_to_treatment_min": 60,
                "prestroke_mrs_gt_1": false
              },
              {
                "age": 60,
                "early_infarct_signs": false,
                "glucose_mg_dl": 108,
                "glucose_mmol_l": 6,
                "hyperdense_artery": false,
                "nihss": 3,
                "onset_to_treatment_min": 60,
                "prestroke_mrs_gt_1": false
              }
            ]
          },
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "count": 2,
            "items": [
              {
                "age_years": 60,
                "citation": {
                  "authors": "Strbian D, Meretoja A, Ahlhelm FJ, Pitkäniemi J, Lyrer P, Kaste M, Tatlisumak T",
                  "doi": "10.1212/WNL.0b013e318245d2a9",
                  "id": "strbian-2012-dragon",
                  "pmid": "22311929",
                  "source": "Neurology. 2012;78(6):427-432",
                  "title": "Predicting outcome of IV thrombolysis-treated ischemic stroke patients: the DRAGON score"
                },
                "components": [
                  {
                    "factor": "hyperdense_artery",
                    "points": 0,
                    "present": false
                  },
                  {
                    "factor": "early_infarct_signs",
                    "points": 0,
                    "present": false
                  },
                  {
                    "factor": "prestroke_mrs_gt_1",
                    "points": 0,
                    "present": false
                  },
                  {
                    "factor": "age",
                    "points": 0,
                    "present": false,
                    "value": 60
                  },
                  {
                    "factor": "glucose",
                    "points": 0,
                    "present": false,
                    "value": 6
                  },
                  {
                    "factor": "onset_to_treatment",
                    "points": 0,
                    "present": false,
                    "value": 60
                  },
                  {
                    "factor": "nihss",
                    "points": 0,
                    "present": false,
                    "value": 3
                  }
                ],
                "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.",
                "early_infarct_signs": false,
                "formula": "dragon",
                "formula_expression": "DRAGON = dense_ct (hyperdense_artery 1 + early_infarct_signs 1; none 0, either 1, both 2) + prestroke_mrs_gt_1 (1 if prestroke mRS >1) + age (<65 0, 65-79 1, >=80 2) + glucose >8 mmol/L (1; 8.0 does not; mg/dL /18) + onset_to_treatment >90 min (1; 90 does not) + NIHSS (0-4 0, 5-9 1, 10-15 2, >15 3); Strbian 2012; max 10",
                "glucose_mmol_l": 6,
                "good_outcome_percent": 96,
                "hyperdense_artery": false,
                "max_score": 10,
                "miserable_outcome_percent": 0,
                "nihss": 3,
                "onset_to_treatment_min": 60,
                "prestroke_mrs_gt_1": false,
                "score": 0
              },
              {
                "age_years": 60,
                "citation": {
                  "authors": "Strbian D, Meretoja A, Ahlhelm FJ, Pitkäniemi J, Lyrer P, Kaste M, Tatlisumak T",
                  "doi": "10.1212/WNL.0b013e318245d2a9",
                  "id": "strbian-2012-dragon",
                  "pmid": "22311929",
                  "source": "Neurology. 2012;78(6):427-432",
                  "title": "Predicting outcome of IV thrombolysis-treated ischemic stroke patients: the DRAGON score"
                },
                "components": [
                  {
                    "factor": "hyperdense_artery",
                    "points": 0,
                    "present": false
                  },
                  {
                    "factor": "early_infarct_signs",
                    "points": 0,
                    "present": false
                  },
                  {
                    "factor": "prestroke_mrs_gt_1",
                    "points": 0,
                    "present": false
                  },
                  {
                    "factor": "age",
                    "points": 0,
                    "present": false,
                    "value": 60
                  },
                  {
                    "factor": "glucose",
                    "points": 0,
                    "present": false,
                    "value": 6
                  },
                  {
                    "factor": "onset_to_treatment",
                    "points": 0,
                    "present": false,
                    "value": 60
                  },
                  {
                    "factor": "nihss",
                    "points": 0,
                    "present": false,
                    "value": 3
                  }
                ],
                "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.",
                "early_infarct_signs": false,
                "formula": "dragon",
                "formula_expression": "DRAGON = dense_ct (hyperdense_artery 1 + early_infarct_signs 1; none 0, either 1, both 2) + prestroke_mrs_gt_1 (1 if prestroke mRS >1) + age (<65 0, 65-79 1, >=80 2) + glucose >8 mmol/L (1; 8.0 does not; mg/dL /18) + onset_to_treatment >90 min (1; 90 does not) + NIHSS (0-4 0, 5-9 1, 10-15 2, >15 3); Strbian 2012; max 10",
                "glucose_mmol_l": 6,
                "good_outcome_percent": 96,
                "hyperdense_artery": false,
                "max_score": 10,
                "miserable_outcome_percent": 0,
                "nihss": 3,
                "onset_to_treatment_min": 60,
                "prestroke_mrs_gt_1": false,
                "score": 0
              }
            ],
            "path": "/api/calc/dragon"
          },
          "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 (18-120). Strbian 2012: <65 scores 0; 65-79 scores 1; ≥80 scores 2.",
                          "type": "integer"
                        },
                        "early_infarct_signs": {
                          "description": "Early infarct signs on admission CT as assigned by the caller (Strbian 2012). true scores 1. Combined with hyperdense_artery: none 0, either 1, both 2. magent does not read CT.",
                          "type": "boolean"
                        },
                        "glucose_mg_dl": {
                          "description": "Baseline glucose in mg/dL (50-1000). Converted as mmol/L = mg/dL / 18. Provide this or glucose_mmol_l, not both. >144 mg/dL scores; 144 does not.",
                          "type": "number"
                        },
                        "glucose_mmol_l": {
                          "description": "Baseline glucose in mmol/L (2.8-55.5). Provide this or glucose_mg_dl, not both. 1 point if >8.0; 8.0 does not score.",
                          "type": "number"
                        },
                        "hyperdense_artery": {
                          "description": "(Hyper)dense cerebral artery sign on admission CT as assigned by the caller (Strbian 2012). true scores 1. Combined with early_infarct_signs: none 0, either 1, both 2. magent does not read CT.",
                          "type": "boolean"
                        },
                        "nihss": {
                          "description": "Caller-assigned NIH Stroke Scale total (integer 0-42). 0-4 scores 0; 5-9 scores 1; 10-15 scores 2; >15 (16-42) scores 3. magent does not compute NIHSS or examine the patient.",
                          "type": "integer"
                        },
                        "onset_to_treatment_min": {
                          "description": "Onset-to-treatment time in minutes (integer 0-360). >90 scores 1; 90 does not. magent does not clock the delay.",
                          "type": "integer"
                        },
                        "prestroke_mrs_gt_1": {
                          "description": "Prestroke modified Rankin Scale >1 as assigned by the caller (Strbian 2012). true scores 1; false scores 0. Do not send a raw mRS integer. magent does not assign mRS.",
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "age",
                        "nihss",
                        "onset_to_treatment_min",
                        "hyperdense_artery",
                        "early_infarct_signs",
                        "prestroke_mrs_gt_1"
                      ],
                      "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": [
    "dragon",
    "stroke",
    "thrombolysis",
    "nihss",
    "neurology",
    "bazaar"
  ],
  "sourceHost": "api.magentlab.com",
  "lastUpdated": "2026-10-12T14:52:11.85Z",
  "quality": {
    "calls30d": 3,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-10-12T14:52:11.715Z"
  },
  "metadata": {
    "serviceName": "magent",
    "extensions": {
      "bazaar": {
        "info": {
          "iconUrl": "https://api.magentlab.com/favicon.ico",
          "input": {
            "body": {
              "items": [
                {
                  "age": 60,
                  "early_infarct_signs": false,
                  "glucose_mg_dl": 108,
                  "glucose_mmol_l": 6,
                  "hyperdense_artery": false,
                  "nihss": 3,
                  "onset_to_treatment_min": 60,
                  "prestroke_mrs_gt_1": false
                },
                {
                  "age": 60,
                  "early_infarct_signs": false,
                  "glucose_mg_dl": 108,
                  "glucose_mmol_l": 6,
                  "hyperdense_artery": false,
                  "nihss": 3,
                  "onset_to_treatment_min": 60,
                  "prestroke_mrs_gt_1": false
                }
              ]
            },
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "count": 2,
              "items": [
                {
                  "age_years": 60,
                  "citation": {
                    "authors": "Strbian D, Meretoja A, Ahlhelm FJ, Pitkäniemi J, Lyrer P, Kaste M, Tatlisumak T",
                    "doi": "10.1212/WNL.0b013e318245d2a9",
                    "id": "strbian-2012-dragon",
                    "pmid": "22311929",
                    "source": "Neurology. 2012;78(6):427-432",
                    "title": "Predicting outcome of IV thrombolysis-treated ischemic stroke patients: the DRAGON score"
                  },
                  "components": [
                    {
                      "factor": "hyperdense_artery",
                      "points": 0,
                      "present": false
                    },
                    {
                      "factor": "early_infarct_signs",
                      "points": 0,
                      "present": false
                    },
                    {
                      "factor": "prestroke_mrs_gt_1",
                      "points": 0,
                      "present": false
                    },
                    {
                      "factor": "age",
                      "points": 0,
                      "present": false,
                      "value": 60
                    },
                    {
                      "factor": "glucose",
                      "points": 0,
                      "present": false,
                      "value": 6
                    },
                    {
                      "factor": "onset_to_treatment",
                      "points": 0,
                      "present": false,
                      "value": 60
                    },
                    {
                      "factor": "nihss",
                      "points": 0,
                      "present": false,
                      "value": 3
                    }
                  ],
                  "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.",
                  "early_infarct_signs": false,
                  "formula": "dragon",
                  "formula_expression": "DRAGON = dense_ct (hyperdense_artery 1 + early_infarct_signs 1; none 0, either 1, both 2) + prestroke_mrs_gt_1 (1 if prestroke mRS >1) + age (<65 0, 65-79 1, >=80 2) + glucose >8 mmol/L (1; 8.0 does not; mg/dL /18) + onset_to_treatment >90 min (1; 90 does not) + NIHSS (0-4 0, 5-9 1, 10-15 2, >15 3); Strbian 2012; max 10",
                  "glucose_mmol_l": 6,
                  "good_outcome_percent": 96,
                  "hyperdense_artery": false,
                  "max_score": 10,
                  "miserable_outcome_percent": 0,
                  "nihss": 3,
                  "onset_to_treatment_min": 60,
                  "prestroke_mrs_gt_1": false,
                  "score": 0
                },
                {
                  "age_years": 60,
                  "citation": {
                    "authors": "Strbian D, Meretoja A, Ahlhelm FJ, Pitkäniemi J, Lyrer P, Kaste M, Tatlisumak T",
                    "doi": "10.1212/WNL.0b013e318245d2a9",
                    "id": "strbian-2012-dragon",
                    "pmid": "22311929",
                    "source": "Neurology. 2012;78(6):427-432",
                    "title": "Predicting outcome of IV thrombolysis-treated ischemic stroke patients: the DRAGON score"
                  },
                  "components": [
                    {
                      "factor": "hyperdense_artery",
                      "points": 0,
                      "present": false
                    },
                    {
                      "factor": "early_infarct_signs",
                      "points": 0,
                      "present": false
                    },
                    {
                      "factor": "prestroke_mrs_gt_1",
                      "points": 0,
                      "present": false
                    },
                    {
                      "factor": "age",
                      "points": 0,
                      "present": false,
                      "value": 60
                    },
                    {
                      "factor": "glucose",
                      "points": 0,
                      "present": false,
                      "value": 6
                    },
                    {
                      "factor": "onset_to_treatment",
                      "points": 0,
                      "present": false,
                      "value": 60
                    },
                    {
                      "factor": "nihss",
                      "points": 0,
                      "present": false,
                      "value": 3
                    }
                  ],
                  "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.",
                  "early_infarct_signs": false,
                  "formula": "dragon",
                  "formula_expression": "DRAGON = dense_ct (hyperdense_artery 1 + early_infarct_signs 1; none 0, either 1, both 2) + prestroke_mrs_gt_1 (1 if prestroke mRS >1) + age (<65 0, 65-79 1, >=80 2) + glucose >8 mmol/L (1; 8.0 does not; mg/dL /18) + onset_to_treatment >90 min (1; 90 does not) + NIHSS (0-4 0, 5-9 1, 10-15 2, >15 3); Strbian 2012; max 10",
                  "glucose_mmol_l": 6,
                  "good_outcome_percent": 96,
                  "hyperdense_artery": false,
                  "max_score": 10,
                  "miserable_outcome_percent": 0,
                  "nihss": 3,
                  "onset_to_treatment_min": 60,
                  "prestroke_mrs_gt_1": false,
                  "score": 0
                }
              ],
              "path": "/api/calc/dragon"
            },
            "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 (18-120). Strbian 2012: <65 scores 0; 65-79 scores 1; ≥80 scores 2.",
                            "type": "integer"
                          },
                          "early_infarct_signs": {
                            "description": "Early infarct signs on admission CT as assigned by the caller (Strbian 2012). true scores 1. Combined with hyperdense_artery: none 0, either 1, both 2. magent does not read CT.",
                            "type": "boolean"
                          },
                          "glucose_mg_dl": {
                            "description": "Baseline glucose in mg/dL (50-1000). Converted as mmol/L = mg/dL / 18. Provide this or glucose_mmol_l, not both. >144 mg/dL scores; 144 does not.",
                            "type": "number"
                          },
                          "glucose_mmol_l": {
                            "description": "Baseline glucose in mmol/L (2.8-55.5). Provide this or glucose_mg_dl, not both. 1 point if >8.0; 8.0 does not score.",
                            "type": "number"
                          },
                          "hyperdense_artery": {
                            "description": "(Hyper)dense cerebral artery sign on admission CT as assigned by the caller (Strbian 2012). true scores 1. Combined with early_infarct_signs: none 0, either 1, both 2. magent does not read CT.",
                            "type": "boolean"
                          },
                          "nihss": {
                            "description": "Caller-assigned NIH Stroke Scale total (integer 0-42). 0-4 scores 0; 5-9 scores 1; 10-15 scores 2; >15 (16-42) scores 3. magent does not compute NIHSS or examine the patient.",
                            "type": "integer"
                          },
                          "onset_to_treatment_min": {
                            "description": "Onset-to-treatment time in minutes (integer 0-360). >90 scores 1; 90 does not. magent does not clock the delay.",
                            "type": "integer"
                          },
                          "prestroke_mrs_gt_1": {
                            "description": "Prestroke modified Rankin Scale >1 as assigned by the caller (Strbian 2012). true scores 1; false scores 0. Do not send a raw mRS integer. magent does not assign mRS.",
                            "type": "boolean"
                          }
                        },
                        "required": [
                          "age",
                          "nihss",
                          "onset_to_treatment_min",
                          "hyperdense_artery",
                          "early_infarct_signs",
                          "prestroke_mrs_gt_1"
                        ],
                        "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"
  }
}