Broca-Katsura index (%)

0 - 20

20 - 40

40 - 60

60 -

O₂ concentration (%)

33

33

33

33

Group

A

B

C

D

Number (M:F)

208 (121:87)

109 (63:46)

27 (15:12)

5 (5:0)

Age (yrs)

43.1 ± 14.8

45.6 ± 13.7

41.6 ± 14.3

41.1 ± 16.0

Height (cm)

163.7 ± 8.8

160.2 ± 8.9

159.6 ± 19.2

156.4 ± 13.4

Weight (kg)

58.5 ± 9.9

69.9 ± 10.2^*,＃,§

78.2 ± 12.5^*,＊

86.6 ± 23.1^*,＊

%FVC (%)

112.5 ± 15.6

109.8 ± 15.8

108.8 ± 16.0

112.8 ± 6.8

FEV_1.0% (%)

82.4 ± 5.9

82.1 ± 6.0

83.1 ± 4.0

86.2 ± 2.4

PaO₂ (mmHg)

165.7 ± 25.6

141.8 ± 26.9^*

132.7 ± 22.2^*

111.7 ± 34.6^*