{"resource":"https://api.magentlab.com/api/calc/ottawa_knee","service":"magent","areas":["other"],"answering":true,"http_status":402,"latency_ms":204,"price_usdc":0.005,"buyers_30d":2,"calls_30d":3,"description":"Ottawa knee rule (Stiell 1995). Knee x-ray is indicated when any of: age 55 or older, bone tenderness at the fibular head, isolated patellar tenderness (caller-applied), inability to flex to 90 degrees, or inability to bear weight both imme","id":"bc1d4ea6f644","category":"Calculators and conversions","checked_day":"2026-10-11","page":"https://velliumandco.com/sellers/bc1d4ea6f644"}