From: Hepatocyte and keratinocyte growth factors and their receptors in human lung emphysema
Emphysema (E) | Non-emphysema Smokers (S) | Non-emphysema Non-Smokers (NS) | Between groups differences | |
---|---|---|---|---|
n | 17 | 8 | 10 | |
Age (yr) | 60 ± 7.4 | 55.8 ± 11.2 | 52.7 ± 19.4 | ns |
Sex ratio F/M | 1/16 | 0/8 | 2/8 | ns |
Smoking (Pack.yr) | 51 ± 21.4* | 33.3 ± 14.8 | 0 | p < 0.001 |
Time since smoking cessation (yearrs) | 7.0 ± 7.1 | 10 (n = 1) | Non relevant | Non relevant |
Active smokers/ex-smokers | 7/10 | 7/1 | 0/0 | p < 0.001 |