Research Article
FEV1/FEV6: A Reliable, Easy-to-Use, and Cheaper Alternative to FEV1/FVC in Diagnosing Airway Obstruction in Indian Population
Table 2
Multi-level likelihood ratios for FEV1/FEV6 as a marker for airway obstruction. PLR: positive likelihood ratio, NLR: negative likelihood ratio, PPV: positive predictive value, and NPV: negative predictive value.
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