From: RNAseq analysis of bronchial epithelial cells to identify COPD-associated genes and SNPs
 | Non-COPD (n = 30) | COPD (n = 30) | p-value†|
---|---|---|---|
Age, yr | 64.3 | 63.6 | 0.713 |
Sex | Â | Â | 0.009 |
 Male | 11 | 22 |  |
 Female | 19 | 8 |  |
Smoking status | Â | Â | 1.0 |
 Current | 10 | 9 |  |
 Former | 20 | 21 |  |
 Never | 0 | 0 |  |
Pack-years | 49 | 60 | 0.088 |
FEV1/FVC | 0.81 | 0.53 | 5.81E-13 |
Ethnicity | Â | Â | Â |
 White | 28 | 26 |  |
 AA | 2 | 4 |  |