Gupta 2013 Mayo Clin Proc logistic probability of postoperative pneumonia from a

Gupta 2013 Mayo Clin Proc logistic probability of postoperative pneumonia from age, COPD, ASA class, functional status, preoperative sepsis, smoking in the last year, and surgery type (hernia reference). Returns logit and estimated_probability_percent. Not a medical device, not a diagnosis, not an antibiotic order, and not a ventilator order. Gupta 2013 publishes no low/high cutoff and does not use race.

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Endpoint

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

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Example input (from the provider)

{
  "body": {
    "items": [
      {
        "age": 40,
        "asa_class": 2,
        "copd": false,
        "functional_status": "independent",
        "sepsis": "none",
        "smoking": false,
        "surgery": "hernia"
      },
      {
        "age": 40,
        "asa_class": 2,
        "copd": false,
        "functional_status": "independent",
        "sepsis": "none",
        "smoking": false,
        "surgery": "hernia"
      }
    ]
  },
  "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 (18-120). Gupta 2013 Mayo Clin Proc: +0.0144 per year.",
                    "type": "integer"
                  },
                  "asa_class": {
                    "description": "ASA physical status 1-5 (Gupta 2013 Mayo Clin Proc logistic table; class 5 is the reference). class 1 -3.0225, class 2 -1.6057, class 3 -0.4915, class 4 +0.0123, class 5 adds 0. Caller-assigned integer.",
                    "type": "integer"
                  },
                  "copd": {
                    "description": "Gupta 2013 COPD causing functional disability or hospitalization, or FEV1 <75%, as assigned by the caller: true (reference, 0) or false (-0.4553). magent does not diagnose COPD.",
                    "type": "boolean"
                  },
                  "functional_status": {
                    "description": "Gupta 2013 Mayo Clin Proc functional status as assigned by the caller: independent (reference, 0), partially_dependent (+0.7653), or totally_dependent (+0.9400). magent does not examine the patient.",
                    "enum": [
                      "independent",
                      "partially_dependent",
                      "totally_dependent"
                    ],
                    "type": "string"
                  },
                  "sepsis": {
                    "description": "Gupta 2013 Mayo Clin Proc preoperative sepsis category as assigned by the caller: none (-0.7641), sirs (reference, 0), sepsis (-0.0842), or septic_shock (+0.1048). magent does not diagnose sepsis.",
                    "enum": [
                      "none",
                      "sirs",
                      "sepsis",
                      "septic_shock"
                    ],
                    "type": "string"
                  },
                  "smoking": {
                    "description": "Gupta 2013 smoking within the last year as assigned by the caller: true (reference, 0) or false (-0.4306).",
                    "type": "boolean"
                  },
                  "surgery": {
                    "description": "Gupta 2013 Mayo Clin Proc procedure category as assigned by the caller. hernia (ventral, inguinal, or femoral) is the reference (0). gbaas is gallbladder, appendix, adrenal, or spleen. thoracic is non-esophageal thoracic. orthopedic is orthopedic or non-vascular extremity. ent excludes thyroid/parathyroid (neck). magent does not classify a CPT code.",
                    "enum": [
                      "hernia",
                      "anorectal",
                      "aortic",
                      "bariatric",
                      "brain",
                      "breast",
                      "cardiac",
                      "ent",
                      "foregut_hpb",
                      "gbaas",
                      "intestinal",
                      "neck",
                      "obstetric_gynecologic",
                      "orthopedic",
                      "other_abdomen",
                      "peripheral_vascular",
                      "skin",
                      "spine",
                      "thoracic",
                      "vein",
                      "urology"
                    ],
                    "type": "string"
                  }
                },
                "required": [
                  "age",
                  "copd",
                  "functional_status",
                  "asa_class",
                  "sepsis",
                  "smoking",
                  "surgery"
                ],
                "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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