Table 1 Baseline characteristics of the study population.

From: Characteristics of chronic obstructive pulmonary disease patients with robust progression of emphysematous change

 

N = 217

Age, year

72.4 ± 8.4

Sex, female, N (%)

19 (8.8)

Smoking index, pack-years

53.5 ± 31.0

Current smoker, N (%)

19 (8.8)

BMI, kg/m2

23.0 ± 3.1

FFMI, kg/m2

17.7 ± 2.0

FEV1, ml

1807.6 ± 630.7

%FEV1, %

67.8 ± 21.0

COPD grade*, 1/2/3/4 (%)

67/102/38/10 (30.8/47.0/17.5/4.6)

Bronchodilator (%)

148 (68.2)

ICS, N %

55 (25.3)

  1. Data are presented as mean ± SD or number (%).
  2. BMI body mass index, FFMI fat-free mass index, FEV1 forced expiratory volume in 1 s, %FEV1 forced expiratory volume in 1 s as a percentage of predicted forced expiratory volume in 1 s, COPD chronic obstructive pulmonary disease, GOLD Global Initiative for Chronic Obstructive Lung Disease, ICS inhaled corticosteroids.
  3. *Defined by the Global Initiative for Chronic Obstructive Lung Disease.