Oxygenation Index (OI) + Oxygen Saturation Index (OSI)
Oxygenation Index (OI) + Oxygen Saturation Index (OSI) - a deterministic tool in Sophie Well's Clinical Math & Conversions group.
Open the Oxygenation Index (OI) + Oxygen Saturation Index (OSI) → Runs in your browser. No signup, no tracking.
What this is
Oxygenation Index (OI) + Oxygen Saturation Index (OSI) is one of 230 deterministic tools in Sophie Well's Clinical Math & Conversions group. Oxygenation Index (OI) + Oxygen Saturation Index (OSI) - a deterministic tool in Sophie Well's Clinical Math & Conversions group.
When to use it
Use this tool when you need a quick, citable reference. Every calculation runs entirely in your browser - no inputs leave your device, no account is required, no AI is involved. The site enforces a strict Content Security Policy and ships no analytics or third-party CDN.
References
Pediatric Acute Lung Injury Consensus Conference (PALICC-2), Emeriaud G, et al. Pediatr Crit Care Med. 2023;24(2):143-168. OI = (FiO2 x mean airway pressure x 100) / PaO2; OSI uses SpO2. Read the source ↗
Worked example: OI 11.3 (moderate pediatric ARDS); OSI 9.8 (moderate).
Sophie Well is a reference and educational tool. Not medical, legal, or financial advice. Does not replace clinician judgment, professional billing review, or legal counsel.