Aletaha 2005 Simplified Disease Activity Index (SDAI)
Aletaha 2005 Simplified Disease Activity Index (SDAI): sjc28 + tjc28 + patient global (0–10 cm) + evaluator global (0–10 cm) + CRP mg/dL. Newly proposed states: ≤3.3 remission, ≤11 low, ≤26 moderate, >26 high (not original 5/20/40). magent does not count joints or assay CRP. Not CDAI. Not a rheumatoid arthritis diagnosis.
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/sdai
| 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 | $0.007 | 297 ms |
Example input (from the provider)
{
"body": {
"items": [
{
"crp_mg_dl": 0.4,
"ega": 0,
"pga": 0,
"sjc28": 0,
"tjc28": 0
},
{
"crp_mg_dl": 0.4,
"ega": 0,
"pga": 0,
"sjc28": 0,
"tjc28": 0
}
]
},
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"items": {
"items": {
"properties": {
"crp_mg_dl": {
"description": "Caller-assigned C-reactive protein in mg/dL (Aletaha 2005; not mg/L). Number 0-30 is a magent clamp. magent does not assay CRP.",
"type": "number"
},
"ega": {
"description": "Caller-assigned evaluator global assessment on a 0-10 cm VAS (Aletaha 2005). Number 0-10. magent does not examine the patient.",
"type": "number"
},
"pga": {
"description": "Caller-assigned patient global assessment on a 0-10 cm VAS (Aletaha 2005). Number 0-10. magent does not examine the patient.",
"type": "number"
},
"sjc28": {
"description": "Caller-assigned swollen joint count on the 28-joint set (Aletaha 2005). Integer 0-28. magent does not count joints.",
"type": "integer"
},
"tjc28": {
"description": "Caller-assigned tender joint count on the 28-joint set (Aletaha 2005). Integer 0-28. magent does not count joints.",
"type": "integer"
}
},
"required": [
"sjc28",
"tjc28",
"pga",
"ega",
"crp_mg_dl"
],
"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"
}