HAT (Lou 2008 Neurology) for sICH after stroke thrombolysis

HAT (Lou 2008 Neurology) for sICH after stroke thrombolysis. Diabetes or glucose >200 mg/dL (1; not additive). NIHSS <15 0, 15-20 1, >20 2. CT hypodensity none 0, <1/3 MCA 1, >1/3 MCA 2 (no equals-1/3). Max 5. Collective sICH 2/5/10/15/44% for scores 0/1/2/3/>3. Glucose in mg/dL (mmol × 18). Not a tPA withhold. magent does not assign NIHSS or read CT.

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Endpoint

POST https://api.magentlab.com/api/calc/hat

Our checks, last 30 days

Example input (from the provider)

{
  "body": {
    "items": [
      {
        "diabetes": false,
        "glucose_mg_dl": 108,
        "glucose_mmol_l": 6,
        "hypodensity": "none",
        "nihss": 10
      },
      {
        "diabetes": false,
        "glucose_mg_dl": 108,
        "glucose_mmol_l": 6,
        "hypodensity": "none",
        "nihss": 10
      }
    ]
  },
  "method": "POST",
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "additionalProperties": false,
          "properties": {
            "items": {
              "items": {
                "properties": {
                  "diabetes": {
                    "description": "History of diabetes mellitus (Lou 2008). true scores 1 on the diabetes-or-glucose item; not additive with glucose >200 mg/dL.",
                    "type": "boolean"
                  },
                  "glucose_mg_dl": {
                    "description": "Baseline glucose in mg/dL (50-1000). Provide this or glucose_mmol_l, not both. >200 scores 1 on the diabetes-or-glucose item if diabetes is false; 200.0 does not (Lou 2008).",
                    "type": "number"
                  },
                  "glucose_mmol_l": {
                    "description": "Baseline glucose in mmol/L (2.8-55.5). Provide this or glucose_mg_dl, not both. Converted as mg/dL = mmol/L \u00d7 18. Scores 1 on the diabetes-or-glucose item if >200 mg/dL after conversion (200.0 does not).",
                    "type": "number"
                  },
                  "hypodensity": {
                    "description": "Easily visible hypodensity on initial CT as assigned by the caller (Lou 2008). none scores 0; less_than_third (<1/3 MCA) scores 1; greater_than_third (>1/3 MCA) scores 2. No published equals-1/3 category. magent does not read the CT.",
                    "enum": [
                      "none",
                      "less_than_third",
                      "greater_than_third"
                    ],
                    "type": "string"
                  },
                  "nihss": {
                    "description": "Caller-assigned pretreatment NIH Stroke Scale total (integer 0-42). <15 scores 0; 15-20 scores 1; >20 scores 2 (Lou 2008). magent does not compute NIHSS or examine the patient.",
                    "type": "integer"
                  }
                },
                "required": [
                  "diabetes",
                  "nihss",
                  "hypodensity"
                ],
                "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"
}

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