Broca-Katsura index (%)

0 - 20

20 - 40

40 - 60

O₂ concentration (%)

33

33

33

Group

E

F

G

Number (M:F)

101 (58:43)

13(8:5)

9 (4:5)

Age (yrs)

74.1 ± 5.1

73.9 ± 5.6

75.4 ± 6.5

Height (cm)

154.7 ± 8.5

151.6 ± 8.2

149.0 ± 9.7^{†, ‡}

Weight (kg)

51.3 ± 7.7

60.9 ± 9.2^†

66.0 ± 12.7^†

%FVC (%)

104.9 ± 20.2

102.3 ± 13.1

97.3 ± 13.1

FEV_1.0% (%)

78.1 ± 5.1

81.4 ± 8.7^†

79.1 ± 7.8

PaO₂ (mmHg)

152.1 ± 23.8

130.6 ± 26.7^†

127.5 ± 11.3 ^†