ToolAssay

Callery 2013 Fistula Risk Score after pancreatoduodenectomy

Callery 2013 Fistula Risk Score after pancreatoduodenectomy: gland texture firm 0 / soft 2; pathology PDAC or pancreatitis 0 / other (ampullary, duodenal, cystic, islet cell) 1; duct mm ≥5 0, ≥4 1, ≥3 2, ≥2 3, else 4; EBL mL ≤400 0, 401–700 1, 701–1000 2, >1000 3. Max 10. Bands negligible 0, low 1–2, intermediate 3–6, high 7–10. magent does not palpate the gland or measure EBL. Not a CR-POPF diagnosis, not an ISGPS grade, not Ranson or BISAP. Not a medical device.

Asked 1.4x its listed price for its own exampleour last check, 2026-09-28
1 of 1checks answered this week
291 msmedian answer time
$0.005listed price per call
$0.007price it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

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

CategoryEverything else
Provider hostapi.magentlab.com
Networkseip155:8453
Payment schemesexact
Self-reported calls, 30 days0 from 0 payers (the provider's figure, not ours)

Our checks, last 30 days

DayResultHTTPAskedTime
2026-09-28 valid payment request 402$0.007 291 ms

Example input (from the provider)

{
  "body": {
    "items": [
      {
        "duct_mm": 5,
        "ebl_ml": 300,
        "gland_texture": "firm",
        "pathology": "pdac_or_pancreatitis"
      },
      {
        "duct_mm": 5,
        "ebl_ml": 300,
        "gland_texture": "firm",
        "pathology": "pdac_or_pancreatitis"
      }
    ]
  },
  "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": {
                  "duct_mm": {
                    "description": "Caller-assigned pancreatic duct diameter in mm, number 0.5\u201320 (Callery 2013 integer-mm table). \u22655 scores 0; \u22654 scores 1; \u22653 scores 2; \u22652 scores 3; else 4 (so 4.0\u20134.999 scores 1; 1.5 and \u22641 score 4). magent does not measure the duct.",
                    "type": "number"
                  },
                  "ebl_ml": {
                    "description": "Caller-assigned estimated blood loss in mL, number 0\u201310000 (Callery 2013). \u2264400 scores 0; 401\u2013700 scores 1; 701\u20131000 scores 2; >1000 scores 3. magent does not measure EBL.",
                    "type": "number"
                  },
                  "gland_texture": {
                    "description": "Caller-assigned pancreatic gland texture at pancreatoduodenectomy (Callery 2013). firm or soft. firm scores 0; soft scores 2. magent does not palpate the gland.",
                    "enum": [
                      "firm",
                      "soft"
                    ],
                    "type": "string"
                  },
                  "pathology": {
                    "description": "Caller-assigned pathology (Callery 2013). pdac_or_pancreatitis (pancreatic ductal adenocarcinoma or pancreatitis) scores 0. other (ampullary, duodenal, cystic, or islet cell) scores 1.",
                    "enum": [
                      "pdac_or_pancreatitis",
                      "other"
                    ],
                    "type": "string"
                  }
                },
                "required": [
                  "gland_texture",
                  "pathology",
                  "duct_mm",
                  "ebl_ml"
                ],
                "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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