{"uid":"cap_kliR5r4zcbZ7Xk_cJmmmI","slug":"wolfe-2005-patient-activity-scale-pas-for-rheumatoid-arthritis-bb98e9e0","name":"Wolfe 2005 Patient Activity Scale (PAS) for Rheumatoid Arthritis","description":"Wolfe 2005 Patient Activity Scale (PAS): (haq * 3.33 + pain_vas + patient_global_vas) / 3. HAQ 0-3 (not HAQ-II); pain and patient global 0-10 VAS. magent does not administer the HAQ. Not PAS-II, Samuel 2002 pediatric appendicitis PAS, DAS28, or CDAI. Not a diagnosis. PAS total only; no remission or severity cutoffs.","url":"https://api.magentlab.com/api/calc/pas_ra","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"queryParams":{"type":"object","required":["haq","pain_vas","patient_global_vas"],"properties":{"haq":{"type":"number","description":"Caller-assigned HAQ disability index (Wolfe 2005 PAS). Number 0-3. Not HAQ-II. magent does not administer the HAQ."},"pain_vas":{"type":"number","description":"Caller-assigned pain visual analog scale (Wolfe 2005 PAS). Number 0-10. magent does not examine the patient."},"patient_global_vas":{"type":"number","description":"Caller-assigned patient global visual analog scale (Wolfe 2005 PAS). Number 0-10. magent does not examine the patient."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_mBneK5Gg3Ebn2Vid5TJ_O","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the Wolfe 2005 Patient Activity Scale (PAS) score for rheumatoid arthritis from HAQ disability index, pain VAS, and patient global VAS","exampleAgentPrompt":"Calculate the Wolfe 2005 Patient Activity Scale score for a rheumatoid arthritis patient with a HAQ of 1.5, pain VAS of 6.2, and patient global VAS of 5.8.","exampleUseCases":[{"title":"RA clinic visit disease tracking","prompt":"My RA patient today has a HAQ disability index of 0.875, pain VAS of 4.0, and patient global VAS of 3.5 — what is their PAS score?"},{"title":"Longitudinal RA outcome monitoring","prompt":"We tracked a patient over three visits. At this visit their HAQ is 2.0, pain VAS is 7.5, and patient global VAS is 8.0. Compute their Patient Activity Scale score so I can compare it to last month."},{"title":"Research data pipeline PAS calculation","prompt":"For my RA registry dataset, calculate the PAS for a subject with HAQ=0.25, pain_vas=1.5, and patient_global_vas=2.0 using the Wolfe 2005 formula."}],"resultDescription":"Returns the computed PAS total score as a single numeric value, calculated as (HAQ × 3.33 + pain VAS + patient global VAS) / 3. No severity cutoffs, remission thresholds, or sub-scores are provided — just the raw composite total.","failureModes":["HAQ value out of 0-3 range returns validation error","pain_vas or patient_global_vas out of 0-10 range returns validation error","Missing required parameters returns 400-level error","Payment not provided or insufficient balance returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need a fast, deterministic, arithmetic-only computation of the Wolfe 2005 PAS for rheumatoid arthritis and already have caller-supplied HAQ (0-3 scale, not HAQ-II), pain VAS (0-10), and patient global VAS (0-10) values. Do not use if you need PAS-II, pediatric appendicitis PAS (Samuel 2002), DAS28, CDAI, HAQ administration, severity categorization, or remission cutoffs.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T01:21:01.547Z","isFirstParty":false}