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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