Oakland 2017 risk score for safe discharge after acute lower gastrointestinal bl

Oakland 2017 risk score for safe discharge after acute lower gastrointestinal bleeding. Points from age (0-2), sex (male 1), previous LGIB admission (1), caller-assigned blood on digital rectal examination (1), heart rate (0-3), systolic BP (0-5), and hemoglobin g/dL (0-22); max 35. safe_discharge when score ≤8 (derivation cutoff, not a later US validation). Not a discharge order or LGIB diagnosis. magent does not examine the rectum or assay hemoglobin. Hemoglobin g/dL or g/L.

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Endpoint

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

Our checks, last 30 days

Example input (from the provider)

{
  "body": {
    "items": [
      {
        "age": 35,
        "dre_blood": false,
        "heart_rate_bpm": 65,
        "hemoglobin_g_dl": 16.5,
        "hemoglobin_g_l": 165,
        "previous_lgib_admission": false,
        "sex": "female",
        "systolic_mm_hg": 165
      },
      {
        "age": 35,
        "dre_blood": false,
        "heart_rate_bpm": 65,
        "hemoglobin_g_dl": 16.5,
        "hemoglobin_g_l": 165,
        "previous_lgib_admission": false,
        "sex": "female",
        "systolic_mm_hg": 165
      }
    ]
  },
  "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": {
                  "age": {
                    "description": "Age in years (integer 16-120). Oakland 2017: \u226439 \u2192 0, 40-69 \u2192 1, \u226570 \u2192 2.",
                    "type": "integer"
                  },
                  "dre_blood": {
                    "description": "Blood on digital rectal examination as assigned by the caller (Oakland 2017). true scores 1. magent does not examine the rectum.",
                    "type": "boolean"
                  },
                  "heart_rate_bpm": {
                    "description": "Heart rate in beats per minute (integer 30-220). Oakland 2017: <70 \u2192 0, 70-89 \u2192 1, 90-109 \u2192 2, \u2265110 \u2192 3.",
                    "type": "integer"
                  },
                  "hemoglobin_g_dl": {
                    "description": "Hemoglobin in g/dL (3-22). Provide this or hemoglobin_g_l, not both. Oakland 2017 bands start at 3.6 g/dL: 3.6-6.9 \u2192 22, 7.0-8.9 \u2192 17, 9.0-10.9 \u2192 13, 11.0-12.9 \u2192 8, 13.0-15.9 \u2192 4, \u226516.0 \u2192 0. Values <3.6 after conversion are rejected. magent does not assay hemoglobin.",
                    "type": "number"
                  },
                  "hemoglobin_g_l": {
                    "description": "Hemoglobin in g/L (30-220). Converted as hemoglobin_g_dl = hemoglobin_g_l / 10. Provide this or hemoglobin_g_dl, not both. Values <3.6 g/dL after conversion are rejected.",
                    "type": "number"
                  },
                  "previous_lgib_admission": {
                    "description": "Previous admission for lower GI bleeding as assigned by the caller (Oakland 2017). true scores 1.",
                    "type": "boolean"
                  },
                  "sex": {
                    "description": "Sex as assigned by the caller. female scores 0; male scores 1.",
                    "enum": [
                      "female",
                      "male"
                    ],
                    "type": "string"
                  },
                  "systolic_mm_hg": {
                    "description": "Systolic blood pressure in mm Hg (50-250). Oakland 2017: 50-89 \u2192 5, 90-119 \u2192 4, 120-129 \u2192 3, 130-159 \u2192 2, \u2265160 \u2192 0. magent does not read a blood pressure.",
                    "type": "number"
                  }
                },
                "required": [
                  "age",
                  "sex",
                  "previous_lgib_admission",
                  "dre_blood",
                  "heart_rate_bpm",
                  "systolic_mm_hg"
                ],
                "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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