The European respiratory journal
Physiological quotients and mortality: redefining lung function interpretation beyond FEV1.
Ben Knox-Brown, Lucy Robertson, Andre F S Amaral, Karl P Sylvester
Published: 202610.1183/13993003.02204-2025
Abstract
BACKGROUND: The FEV1Q is a physiological quotient reflecting the distance a measured FEV1 is from a 1st percentile (minimally survivable) value. We aimed to derive physiological quotients for other lung function measures and assess their association…
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