GAP Index (idiopathic pulmonary fibrosis)
GAP Index (idiopathic pulmonary fibrosis) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
Open the GAP Index (idiopathic pulmonary fibrosis) → Runs in your browser. No signup, no tracking.
What this is
GAP Index (idiopathic pulmonary fibrosis) is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. GAP Index (idiopathic pulmonary fibrosis) - a deterministic tool in Sophie Well's Clinical Scoring & Risk 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
Ley B, Ryerson CJ, Vittinghoff E, et al. A multidimensional index and staging system for idiopathic pulmonary fibrosis. Ann Intern Med. 2012;156(10):684-691. Read the source ↗
Worked example: GAP 5 points: stage II. 1-year 16.2%, 2-year 29.3%, 3-year 42.1% (Ley 2012).
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