Khan 2019 PCP-HF 10-year incident heart-failure percent for age 30-79 from sex,
Khan 2019 PCP-HF 10-year incident heart-failure percent for age 30-79 from sex, caller-assigned white or black cohort, treated or untreated systolic BP and fasting glucose, total and HDL cholesterol, BMI, smoking, and QRS duration. Table 2 coefficients. Caller assigns cohort; magent does not assign race. Not PREVENT 2024, not 2013 PCE, not a diagnosis or treatment order. magent does not assay lipids, measure blood pressure, or interpret an ECG.
Asked 1.4x its listed price for its own exampleour last check, 2026-09-28
1 of 1checks answered this week
302 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/pcp_hf
| Category | Everything else |
|---|---|
| Provider host | api.magentlab.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-28 | valid payment request | 402 | $0.007 | 302 ms |
Example input (from the provider)
{
"body": {
"items": [
{
"age": 50,
"antihypertensive": false,
"bmi_kg_m2": 22,
"cohort": "white",
"diabetes_medication": false,
"glucose_mg_dl": 90,
"hdl_mg_dl": 55,
"qrs_ms": 90,
"sbp_mm_hg": 120,
"sex": "female",
"smoker": false,
"total_cholesterol_mg_dl": 180
},
{
"age": 50,
"antihypertensive": false,
"bmi_kg_m2": 22,
"cohort": "white",
"diabetes_medication": false,
"glucose_mg_dl": 90,
"hdl_mg_dl": 55,
"qrs_ms": 90,
"sbp_mm_hg": 120,
"sex": "female",
"smoker": false,
"total_cholesterol_mg_dl": 180
}
]
},
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$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 30-79). Khan 2019 Table 2 10-year incident HF is for ages 30-79. magent does not take a date of birth.",
"type": "integer"
},
"antihypertensive": {
"description": "Current antihypertensive treatment as assigned by the caller (true or false). true uses the Table 2 treated-SBP coefficient (and age \u00d7 treated SBP when that cell is not N/A). false uses untreated SBP. Not both.",
"type": "boolean"
},
"bmi_kg_m2": {
"description": "Body-mass index in kg/m2 (10-80). Enters as ln(BMI) and ln(age)\u00d7ln(BMI) when that Table 2 cell is not N/A. magent does not measure height or weight.",
"type": "number"
},
"cohort": {
"description": "Caller-assigned cohort as used in Khan 2019 Table 2: white or black (paper terms). Not param race. magent does not assign race or ethnicity. Other strings are rejected.",
"enum": [
"white",
"black"
],
"type": "string"
},
"diabetes_medication": {
"description": "Current diabetes medication as assigned by the caller (true or false). true uses the Table 2 treated-glucose coefficient. false uses untreated glucose. Not both.",
"type": "boolean"
},
"glucose_mg_dl": {
"description": "Fasting glucose in mg/dL (40-600). Enters as ln(glucose) with the treated or untreated Table 2 coefficient according to diabetes_medication. magent does not assay glucose.",
"type": "number"
},
"hdl_mg_dl": {
"description": "HDL cholesterol in mg/dL (5-150). Enters as ln(HDL-C) when that Table 2 cell is not N/A. magent does not assay lipids.",
"type": "number"
},
"qrs_ms": {
"description": "QRS duration in ms (40-300). Enters as ln(QRS). magent does not interpret an ECG.",
"type": "number"
},
"sbp_mm_hg": {
"description": "Systolic blood pressure in mm Hg (50-250). Enters as ln(SBP) with the treated or untreated Table 2 coefficient according to antihypertensive. magent does not measure blood pressure.",
"type": "number"
},
"sex": {
"description": "Sex used by the sex-specific Table 2 coefficients (female or male). Not cohort.",
"enum": [
"female",
"male"
],
"type": "string"
},
"smoker": {
"description": "Current cigarette smoking as assigned by the caller (true or false). Adds the Table 2 smoker term and ln(age) \u00d7 smoker when that cell is not N/A. magent does not take a smoking history.",
"type": "boolean"
},
"total_cholesterol_mg_dl": {
"description": "Total cholesterol in mg/dL (50-800). Enters as ln(total cholesterol) when that Table 2 cell is not N/A. magent does not assay lipids.",
"type": "number"
}
},
"required": [
"age",
"sex",
"cohort",
"sbp_mm_hg",
"antihypertensive",
"glucose_mg_dl",
"diabetes_medication",
"bmi_kg_m2",
"total_cholesterol_mg_dl",
"hdl_mg_dl",
"smoker",
"qrs_ms"
],
"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"
}