Emergency · LIVE

Patient Activity Scale II (PAS-II)

PAS-II

Compute the Wolfe 2005 Patient Activity Scale II (PAS-II) from a caller-assigned HAQ-II disability index (0-3), pain VAS (0-10), and patient global VAS (0-10). Uses HAQ-II × 3.33, not HAQ. Returns the PAS-II total only.

LIVE $0.005 USDC GET /api/calc/pas_ii

Markdown: /docs/pas-ii.md · Canonical: https://magentlab.com/docs/pas-ii

Not a medical device. Not a diagnosis, dose, or listing recommendation.

What it computes

Compute the Wolfe 2005 Patient Activity Scale II (PAS-II) from a caller-assigned HAQ-II disability index (0-3), pain VAS (0-10), and patient global VAS (0-10). Uses HAQ-II × 3.33, not HAQ. Returns the PAS-II total only.

When to use

When an agent already has a caller-assigned HAQ-II (0-3, not HAQ), pain VAS, and patient global VAS and needs the published Wolfe 2005 PAS-II composite, not PAS-RA, not DAS28, not CDAI, and not Samuel 2002 pediatric appendicitis PAS.

When not to use

• Not a medical device and not a rheumatoid arthritis diagnosis or a treatment order.
• magent does not administer HAQ-II. haq_ii, pain_vas, and patient_global_vas are caller-assigned. This tool uses HAQ-II 0-3, not HAQ.
• This is Wolfe 2005 PAS-II (HAQ-II × 3.33), not PAS-RA (HAQ). Not Samuel 2002 pediatric appendicitis PAS. Not DAS28. Not CDAI.
• Wolfe 2005 does not lock remission, minimal, moderate, or severe cutoffs in this tool. magent returns the PAS-II total only. No activity-state cutoffs.

Formula

PAS-II = (haq_ii * 3.33 + pain_vas + patient_global_vas) / 3; Wolfe 2005 Patient Activity Scale II (not PAS-RA); HAQ-II 0-3 (not HAQ); pain and patient global 0-10 VAS; magent does not administer HAQ-II; not Samuel 2002 pediatric appendicitis PAS; not DAS28; not CDAI; not a diagnosis; no published remission/minimal/moderate/severe cutoffs

Citation

Title

A composite disease activity scale for clinical practice, observational studies, and clinical trials: the patient activity scale (PAS/PAS-II)

Authors

Wolfe F, Michaud K, Pincus T

Source

J Rheumatol. 2005;32(12):2410-2415

DOI

none

Worked example

Also searched as

• Patient Activity Scale II
• PAS-II
• Wolfe PAS-II
• HAQ-II pain patient global
• rheumatoid arthritis PAS-II
• PAS-II not PAS-RA
• Wolfe 2005 PAS-II

Try

Opens the live endpoint. Unpaid browser requests show the paywall; agents should send Accept: application/json.

/api/calc/pas_ii?haq_ii=0&pain_vas=0&patient_global_vas=0

Full URL: https://api.magentlab.com/api/calc/pas_ii?haq_ii=0&pain_vas=0&patient_global_vas=0

Call

Expect HTTP 402 until you retry with PAYMENT-SIGNATURE. Incomplete query params return HTTP 400 before any quote or charge.

curl -i -H "Accept: application/json" "https://api.magentlab.com/api/calc/pas_ii?haq_ii=0&pain_vas=0&patient_global_vas=0"

Parameters

Bulk (POST)

POST the same path with a JSON items array. The first item is the GET unit; each additional item is $0.002. Invalid items return HTTP 400 before settlement.

POST /api/calc/pas_ii Max 25 unit_amount + extra_item_amount * (n - 1) extra $0.002 PREVIEW

• 1 to 25 items. Each item uses the same keys as the GET query parameters.
• POST of 1 item costs the same as GET. Lists longer than 25: chunk into multiple POSTs. Extra items still execute; do not pad dummy rows.
• The first invalid item fails the whole request (index in the 400 JSON). You are not charged.
• HTTP 200 is {count, path, items}. Each items[i] is the GET 200 body for that row.
• Catalog misses (empty matches, found=false) stay paid 200s inside that slot.
• x402 resource URL is this path plus n and body_sha256. Browsers that prefer text/html get the same paywall as GET; Pay retries POST with the same items.

Example request (fixture)

{
  "items": [
    {
      "haq_ii": "0",
      "pain_vas": "0",
      "patient_global_vas": "0"
    },
    {
      "haq_ii": "0",
      "pain_vas": "0",
      "patient_global_vas": "0"
    }
  ]
}

Open bulk paywall →

Opens a two-item fixture on the API host. Unpaid browsers get the same MetaMask paywall as GET; Pay retries POST with those items.

Example 200 (fixture)

{
  "count": 2,
  "path": "/api/calc/pas_ii",
  "items": [
    {
      "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
      "citation": {
        "authors": "Wolfe F, Michaud K, Pincus T",
        "id": "wolfe-2005",
        "pmid": "16331773",
        "source": "J Rheumatol. 2005;32(12):2410-2415",
        "title": "A composite disease activity scale for clinical practice, observational studies, and clinical trials: the patient activity scale (PAS/PAS-II)"
      },
      "formula": "pas_ii",
      "formula_expression": "PAS-II = (haq_ii * 3.33 + pain_vas + patient_global_vas) / 3; Wolfe 2005 Patient Activity Scale II (not PAS-RA); HAQ-II 0-3 (not HAQ); pain and patient global 0-10 VAS; magent does not administer HAQ-II; not Samuel 2002 pediatric appendicitis PAS; not DAS28; not CDAI; not a diagnosis; no published remission/minimal/moderate/severe cutoffs",
      "haq_ii": 0.0,
      "pain_vas": 0.0,
      "pas_ii": 0.0,
      "patient_global_vas": 0.0
    },
    {
      "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
      "citation": {
        "authors": "Wolfe F, Michaud K, Pincus T",
        "id": "wolfe-2005",
        "pmid": "16331773",
        "source": "J Rheumatol. 2005;32(12):2410-2415",
        "title": "A composite disease activity scale for clinical practice, observational studies, and clinical trials: the patient activity scale (PAS/PAS-II)"
      },
      "formula": "pas_ii",
      "formula_expression": "PAS-II = (haq_ii * 3.33 + pain_vas + patient_global_vas) / 3; Wolfe 2005 Patient Activity Scale II (not PAS-RA); HAQ-II 0-3 (not HAQ); pain and patient global 0-10 VAS; magent does not administer HAQ-II; not Samuel 2002 pediatric appendicitis PAS; not DAS28; not CDAI; not a diagnosis; no published remission/minimal/moderate/severe cutoffs",
      "haq_ii": 0.0,
      "pain_vas": 0.0,
      "pas_ii": 0.0,
      "patient_global_vas": 0.0
    }
  ]
}

Response

Example JSON

Machine form of the same example. Frozen fixture. Not a live lookup.

{
  "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
  "citation": {
    "authors": "Wolfe F, Michaud K, Pincus T",
    "id": "wolfe-2005",
    "pmid": "16331773",
    "source": "J Rheumatol. 2005;32(12):2410-2415",
    "title": "A composite disease activity scale for clinical practice, observational studies, and clinical trials: the patient activity scale (PAS/PAS-II)"
  },
  "formula": "pas_ii",
  "formula_expression": "PAS-II = (haq_ii * 3.33 + pain_vas + patient_global_vas) / 3; Wolfe 2005 Patient Activity Scale II (not PAS-RA); HAQ-II 0-3 (not HAQ); pain and patient global 0-10 VAS; magent does not administer HAQ-II; not Samuel 2002 pediatric appendicitis PAS; not DAS28; not CDAI; not a diagnosis; no published remission/minimal/moderate/severe cutoffs",
  "haq_ii": 0.0,
  "pain_vas": 0.0,
  "pas_ii": 0.0,
  "patient_global_vas": 0.0
}

Client errors (HTTP 400)

Invalid params return 400 without charge. Shared HTTP 402 and 503 meanings: Payments.

Related tools

• PAS-RA — Compute the Wolfe 2005 Patient Activity Scale (PAS) from a caller-assigned HAQ disability index (0-3), pain VAS (0-10), and patient global VAS (0-10). Uses HAQ × 3.33, not HAQ-II. Returns the PAS total only.
• DAS28-ESR — Compute the Prevoo 1995 28-joint DAS with ESR from caller-assigned tender and swollen 28-joint counts, ESR in mm/h, and patient general health on a 0-100 mm VAS. Returns the published score only.

Payment

Unpaid requests return HTTP 402 even if query parameters or POST items are missing or invalid, so CDP and agents can index the path. After a PAYMENT-SIGNATURE, invalid params return HTTP 400 JSON before settlement. magent does not charge. Fix the params, then request a new 402 quote for that complete URL. Catalog misses (empty matches, found=false) are valid paid 200s. Unpaid valid requests return HTTP 402 with a base64 PAYMENT-REQUIRED header. HTTP 503 is not a new quote: retry the same PAYMENT-SIGNATURE. Full handshake and shared payment errors: Payments. Stdio MCP: /docs/mcp.

Guarantees

• HTTP 402 is unpaid, including a missing query. After PAYMENT-SIGNATURE, invalid parameters return HTTP 400 before settlement. You are not charged. HTTP 402 never includes the tool JSON.
• exact: settlement finishes before the tool (paymentFlow upfront). batch-settlement: verify/deposit before the tool; chargedCumulativeAmount commits after HTTP 2xx. Uncertain or failed settlement fails closed (HTTP 503). Retry the same PAYMENT-SIGNATURE.
• HTTP 402 is unpaid only. Do not sign a second authorization because of a 503.
• Execution is timeout-bounded and concurrency-capped.
• Calculator inputs are stored encrypted for allowlisted operators (Magent Console). They are not in public logs, SSH lookups, catalog, or rollups. Request logs store path without query.