Table 1 Selected characteristics of the study population
From: SERPINE2 haplotype as a risk factor for panlobular type of emphysema
Mean (SD) or N (%) | Range | |
|---|---|---|
Age, years | 63.2 (7.3) | 38.4-87.0 |
Male sex | 935 (98.3) | |
Smoking history | ||
Never smoker | 135 (14.2) | |
Ex-smoker | 595 (62.6) | |
Current smoker | 221 (23.3) | |
Pack years | 20.4 (16.7) | |
Years of asbestos exposure | 23.9 (10.7) | 0.0-129.0 |
Emphysema score (n = 352#) | 2.00 (2.4)* | 0.13-15.0 |
Centrilobular (n = 228#) | 1.23 (1.01)* | 0.17-4.0 |
Paraceptal (n = 170#) | 1.00 (0.91)* | 0.17-4.7 |
Panlobular (n = 168#) | 0.93 (0.87)* | 0.13-4.3 |
Bullae (n = 125#) | 0.70 (0.77)* | 0.17-4.17 |
Lung function, % of predicted | ||
FEV1 (n = 922) | 83.4 (18.6) | 19.0-138.0 |
FVC (n = 917) | 89.0 (15.9) | 33.0-149.0 |
FEV1/FVC in percentage (n = 915) | 93.5 (12.9) | 28.3-166.7 |
DLCO (n = 912) | 91.0 (20.2) | 22.0-197.0 |
DLCO/VA (n = 914) | 98.3 (18.4) | 10.0-157.0 |