Table 1 Patients’ Characteristics.

From: Associations of pulmonary and extrapulmonary computed tomographic manifestations with impaired physical activity in symptomatic patients with chronic obstructive pulmonary disease

N

193

Age, years

72.5 ± 7.7

Male, n (%)

180 (93%)

Current smokers, n (%)

44 (23%)

Pack-years

60.2 ± 30.9

Height, cm

164.7 ± 7.1

BMI, kg/m2

23.2 ± 

BMI ≥ 30 kg/m2, n (%)

6 (3%)

FEV1, % predicted

62.6 ± 22.6

FVC, % predicted

89.3 ± 22.0

FEV1 / FVC

0.53 ± 0.12

No. exacerbations in a previous year, 0/1/ ≥ 2

148/37/8

mMRC, 0/1/2/3/4

74 / 74 / 27 / 12 / 6

CAT ≥ 10, n (%)

100 (52%)

LSA ≤ 60, n (%)

38 (20%)

GOLD, 1/2/3/4

43/95/36/19

ABCD category, A / B / C / D

87/98/0/8

  1. Data are expressed as mean ± SD and n (%). BMI = body mass index, Exacerbation in a past year = a history of at least one exacerbation in the previous one year, mMRC = modified MRC dyspnea scale, FEV1 = forced expiratory volume in 1 s, CAT = COPD assessment test, LSA = life space assessment.
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