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Table 2 Characteristics of the subjects in the bronchial fibroblasts study

From: Possible role of Krüppel-like factor 5 in the remodeling of small airways and pulmonary vessels in chronic obstructive pulmonary disease

 

Control never-smokers

Control ex-smokers

COPD ex-smokers

Subjects n

4

4

4

Age, y

61.5 ± 15

70.8 ± 3

67.0 ± 3

FEV1, L

2.86 ± 0.93

2.65 ± 0.84

2.42 ± 0.51

FEV1 %predicted, %

110 ± 16

112 ± 18

83.6 ± 17 *,**

FVC, L

3.46 ± 0.92

3.24 ± 1.2

3.72 ± 0.66

FEV1/FVC, %

81.8 ± 4.5

77.6 ± 7.9

63.8 ± 8.3 *,**

  1. Data are presented as mean ± SD. FEV1 = forced expiratory volume in 1 s; FVC = forced vital capacity
  2. *: p < 0.05 compared to control never smokers. **: p < 0.05 compared to control ex-smokers