Table 3: Factors that influence abnormal FEV1 and FVC% predicted categories.

FEV1% CategoryFVC% Category
P-valueExp(B)95% CIP-valueExp(B)95% CI
(OR)LowerUpper(OR)LowerUpper

Weight0.6860.9520.7511.2070.3210.8850.6951.127
Height0.9821.0020.8261.2160.2821.1130.9151.354
BMI0.6261.1750.6142.2470.2451.4750.7662.841
Age0.6430.9910.9531.030.3320.9810.9451.019
Gender(1)0.2110.5730.2391.3720.2020.5640.2341.361
Case-Control (1)<0.00111.694.84428.246<0.00113.1535.13933.662
Constant0.9130.170.22<0.001