{"resource":"https://api.magentlab.com/api/calc/sf_ratio","service":"magent","areas":["other"],"answering":true,"http_status":402,"latency_ms":187,"price_usdc":0.005,"buyers_30d":3,"calls_30d":4,"description":"SpO2/FiO2 (S/F) ratio as pulse-oximetry SpO2 percent divided by inspired oxygen as a fraction (0.21–1.0) (Rice 2007). Returns the ratio rounded to one decimal. Magent does not apply ARDS or Berlin bands. This is not the PaO2/FiO2 (P/F) rati","id":"5aa4dc9973b2","category":"Calculators and conversions","accuracy":null,"tool_calls":null,"checked_day":"2026-10-11","page":"https://velliumandco.com/sellers/5aa4dc9973b2"}