de Jong 2025 Rotterdam Hip Fracture Mortality Prediction-30 Days (RHMP-30) LASSO
de Jong 2025 Rotterdam Hip Fracture Mortality Prediction-30 Days (RHMP-30) LASSO logit from age, sex (published female coefficient, not race), albumin g/L, dementia, Katz-ADL total 0-6, ASA 4, and nursing-home residence. Returns logit and estimated_mortality_percent from the unrounded logit. Not an operative vs nonoperative order. magent does not assign ASA or Katz.
Asked 1.4x its listed price for its own exampleour last check, 2026-09-28
1 of 1checks answered this week
310 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/rhmp_30
| 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 | $0.007 | 310 ms |
Example input (from the provider)
{
"body": {
"items": [
{
"age": 80,
"albumin_g_l": 38,
"asa_4": false,
"dementia": false,
"katz_adl": 6,
"nursing_home": false,
"sex": "female"
},
{
"age": 80,
"albumin_g_l": 38,
"asa_4": false,
"dementia": false,
"katz_adl": 6,
"nursing_home": false,
"sex": "female"
}
]
},
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$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 40-110. de Jong 2025 coefficient +0.0306 per year. magent does not read an identity document.",
"type": "integer"
},
"albumin_g_l": {
"description": "Admission serum albumin in g/L (10-60). de Jong 2025 Table I uses g/L (typical 30-45). Not g/dL. Caller-supplied; magent does not assay albumin.",
"type": "number"
},
"asa_4": {
"description": "true if the caller assigns ASA physical status 4 (de Jong 2025). true scores 1 in the logit; false scores 0. magent does not assign ASA class.",
"type": "boolean"
},
"dementia": {
"description": "true if the caller assigns a history of dementia (de Jong 2025). true scores 1 in the logit; false scores 0. magent does not diagnose dementia.",
"type": "boolean"
},
"katz_adl": {
"description": "Katz Index of Independence in Activities of Daily Living total, integer 0-6 (de Jong 2025). 0 = completely dependent; 6 = completely independent. Caller-assigned total; magent does not score bathing, dressing, toileting, transferring, continence, or feeding.",
"type": "integer"
},
"nursing_home": {
"description": "true if the caller assigns residence in a nursing home (de Jong 2025). true scores 1 in the logit; false scores 0. magent does not determine residence.",
"type": "boolean"
},
"sex": {
"description": "Sex used as the published de Jong 2025 female coefficient (female = 1, male = 0). Not race. magent does not examine the patient.",
"enum": [
"female",
"male"
],
"type": "string"
}
},
"required": [
"age",
"sex",
"albumin_g_l",
"dementia",
"katz_adl",
"asa_4",
"nursing_home"
],
"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"
}