Table 1. Post hoc power analysis of mean absolute values (pre- bronchodilator) for differences between sexes.

Lung function parameters	Females (mean ± SD) (n = 271)	Males (mean ± SD) (n = 214)	Power
FVC (L)	2.008 (0.631)	2.771 (0.836)	1.000
FEV1 (L)	1.492 (0.611)	1.942 (0.851)	1.000
FEV1/FVC	0.728 (0.131)	0.678 (0.154)	0.971