Table 2 Physical assessment variables among non-COPD and COPD patients

BMI (kg/m ² ) ^a

22.1 (2.8)

22.0 (2.8)

22.2 (2.9)

0.749

spirometric variables

%VC ^a

105.9 (20.6)

104.8 (20.8)

106.7 (20.5)

0.520

FEV1 (ml) ^a

2062 (610)

2302 (555)

1861 (583)

0.0001 ^#

FEV1/FVC ^a

67.3 (12.6)

77.8 (6.3)

58.9 (10.3)

0.0001 ^#

%FEV1 predicted ^a

98.2 (25.7)

109.4 (21.1)

88.9 (25.4)

0.0001 ^#

%IC ^a

85.9 (19.5)

83.6 (17.8)

87.9 (20.6)

0.111

chest CT finding

emphysema

30.4 (82)

20.3 (25)

38.8 (57)

0.001 ^#