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Table 1 Demographics of study group

From: Basement membrane and vascular remodelling in smokers and chronic obstructive pulmonary disease: a cross-sectional study

Groups* (numbers) H-N
(17)
S-N
(15)
S-COPD
(19)
ES-COPD (14)
Age years 49 (20-68) 46 (30-65) 61 (46-78) 62 (53-69)
Female/Male 11/6 4/11 8/11 5/9
Pack-Years smoking 0 35 (11-57) 45 (18-82) 55 (18-151)
FEV1% Predicted†‡ 119 (114-124) 100 (78-125) 83 (55-102) 83 (55-105)
FEV1/FVC% ratio†‡ 82 (71-88) 78 (70-96) 59 (46-68) 57 (38-68)
DLCO% predicted ml/min/mmHg - 77 (58-105) 67 (48-83) 64 (45-74)
Number (%) with DLCO%
Predicted < 60%
- 1 (6.7%) 2 (11.2%) 4 (30.8%)
  1. *H-N: healthy and nonsmoker, S-N: smokers with normal lung function, S-COPD and ES-COPD: smoker and ex-smoker COPD
  2. † Median (range), post-bronchodilator values