Hlatky 1989 Duke Activity Status Index
Hlatky 1989 Duke Activity Status Index. Twelve caller-assigned yes/no items (self-care through strenuous sports); Yes adds the Table I weight, No adds 0. Light housework is 2.70. DASI is the sum (0-58.2). Estimated peak VO2 mL/kg/min = 0.43 x DASI + 9.6. magent does not observe the patient. Not a functional-capacity assignment or exercise-test replacement.
Asked 1.4x its listed price for its own exampleour last check, 2026-09-28
1 of 1checks answered this week
297 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/dasi
| 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 | $0.007 | 297 ms |
Example input (from the provider)
{
"body": {
"items": [
{
"climb_stairs": false,
"heavy_housework": false,
"light_housework": false,
"moderate_housework": false,
"moderate_recreation": false,
"run_short": false,
"self_care": false,
"sexual_relations": false,
"strenuous_sports": false,
"walk_blocks": false,
"walk_indoors": false,
"yardwork": false
},
{
"climb_stairs": false,
"heavy_housework": false,
"light_housework": false,
"moderate_housework": false,
"moderate_recreation": false,
"run_short": false,
"self_care": false,
"sexual_relations": false,
"strenuous_sports": false,
"walk_blocks": false,
"walk_indoors": false,
"yardwork": false
}
]
},
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"items": {
"items": {
"properties": {
"climb_stairs": {
"description": "Can climb a flight of stairs or walk up a hill (Hlatky 1989 Table I). true or false. Yes adds 5.50.",
"type": "boolean"
},
"heavy_housework": {
"description": "Can do heavy work around the house like scrubbing floors, or lifting or moving heavy furniture (Hlatky 1989 Table I). true or false. Yes adds 8.00.",
"type": "boolean"
},
"light_housework": {
"description": "Can do light work around the house like dusting or washing dishes (Hlatky 1989 Table I). true or false. Yes adds 2.70.",
"type": "boolean"
},
"moderate_housework": {
"description": "Can do moderate work around the house like vacuuming, sweeping floors, or carrying in groceries (Hlatky 1989 Table I). true or false. Yes adds 3.50.",
"type": "boolean"
},
"moderate_recreation": {
"description": "Can participate in moderate recreational activities like golf, bowling, dancing, doubles tennis, or throwing a baseball or football (Hlatky 1989 Table I). true or false. Yes adds 6.00.",
"type": "boolean"
},
"run_short": {
"description": "Can run a short distance (Hlatky 1989 Table I). true or false. Yes adds 8.00.",
"type": "boolean"
},
"self_care": {
"description": "Can take care of self: eating, dressing, bathing, or using the toilet (Hlatky 1989 Table I). true or false. Yes adds 2.75.",
"type": "boolean"
},
"sexual_relations": {
"description": "Can have sexual relations (Hlatky 1989 Table I). true or false. Yes adds 5.25.",
"type": "boolean"
},
"strenuous_sports": {
"description": "Can participate in strenuous sports like swimming, singles tennis, football, basketball, or skiing (Hlatky 1989 Table I). true or false. Yes adds 7.50.",
"type": "boolean"
},
"walk_blocks": {
"description": "Can walk a block or two on level ground (Hlatky 1989 Table I). true or false. Yes adds 2.75.",
"type": "boolean"
},
"walk_indoors": {
"description": "Can walk indoors, such as around the house (Hlatky 1989 Table I). true or false. Yes adds 1.75.",
"type": "boolean"
},
"yardwork": {
"description": "Can do yardwork like raking leaves, weeding, or pushing a power mower (Hlatky 1989 Table I). true or false. Yes adds 4.50.",
"type": "boolean"
}
},
"required": [
"self_care",
"walk_indoors",
"walk_blocks",
"climb_stairs",
"run_short",
"light_housework",
"moderate_housework",
"heavy_housework",
"yardwork",
"sexual_relations",
"moderate_recreation",
"strenuous_sports"
],
"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"
}