{"resource":"https://api.magentlab.com/api/calc/das28_esr","service":"magent","areas":["other"],"answering":true,"http_status":402,"latency_ms":182,"price_usdc":0.005,"buyers_30d":2,"calls_30d":3,"description":"Prevoo 1995 DAS28-ESR: 0.56*sqrt(tjc28) + 0.28*sqrt(sjc28) + 0.70*ln(esr_mm_h) + 0.014*gh (0-100 mm VAS, not 0-10 CDAI/SDAI). Caller-assigned 28-joint counts 0-28; ESR strictly >0 (typical 1-150). magent does not count joints or assay ESR. ","id":"316901e4d0f5","category":"Calculators and conversions","accuracy":null,"tool_calls":null,"checked_day":"2026-10-11","page":"https://velliumandco.com/sellers/316901e4d0f5"}