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Table 1 Patient demographics (n = 147)

From: Associations of airway tree to lung volume ratio on computed tomography with lung function and symptoms in chronic obstructive pulmonary disease

Age

71 ± 9

Sex

All male

BMI

22 ± 3

Smoking pack-years

63 ± 35

FEV1 (% predicted)

61 ± 20

FEV1/FVC (%)

51 ± 13

RV/TLC (%)

42 ± 7

TLC (% predicted)

96 ± 13

DLCO (% predicted)

53 ± 14

CAT score ≧10 [n (%)]

81 (55%)

LAV%

29 ± 9

WA% (segmental airways)

58 ± 5

WA% (sub-segmental airways)

64 ± 4

TAC (right lung)

212 ± 51