Correlations.

Significant correlation atl 0.05 level (bilateral).Significant correlation at 0.01 level (bilateral).BMI, body mass index. BPM, beats per minute. 6MWD, 6 min walking distance test. FVC, forced vital capacity; FEV1, forced expiratory volume during the first second. PEFR, peak expiratory flow rate; FVIC, forced inspiratory vital capacity. MIP, maximal inspiratory pressure.Regarding differences of the effects of the treatment by sex (