Table 1.

Characteristics of patients with restrictive lung disease in both groups

Characteristics	Non-NPV exercise group	NPV-exercise group
Number of patients	18	18
Age, years	59.6 ± 12.3	60.3 ± 11.6
Gender, M/F	8/10	6/12
BMI, kg/m2	19.7 ± 5.0	21.5 ± 4.6
FVC, L	1.05 ± 0.34	0.85 ± 0.37
FVC, % predicted	37.7 ± 10.2	32.5 ± 11.7
FEV1, L	0.88 ± 0.26	0.72 ± 0.32
FEV1, % predicted	42.2 ± 2.4	36.9 ± 13.6
FEV1/FVC, %	84.2 ± 8.3	83.1 ± 13.6
6MWD, m	362.8 ± 99.4	371.3 ± 77.9
Borg score, median(range)	0.5 (0–4)	1.25 (0–4)

BMI, Body mass index; 6MWD, 6-min walk distance.