ROX Index (HFNC failure prediction)
ROX Index (HFNC failure prediction) - a deterministic tool in Sophie Well's Clinical Math & Conversions group.
Open the ROX Index (HFNC failure prediction) → Runs in your browser. No signup, no tracking.
What this is
ROX Index (HFNC failure prediction) is one of 230 deterministic tools in Sophie Well's Clinical Math & Conversions group. ROX Index (HFNC failure prediction) - 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
Roca O, Caralt B, Messika J, et al. An index combining respiratory rate and oxygenation to predict outcome of nasal high-flow therapy. Am J Respir Crit Care Med. 2019;199(11):1368-1376.
Worked example: ROX 7.83: success-predicting (>=4.88 per Roca 2019).
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