Characteristics of the IPF and COPD cohorts
| IPF (n=132) | COPD (n=192) | p Value (IPF vs COPD) | |
|---|---|---|---|
| Age | 54.6±9.2 | 60.2±8.1 | 0.5 |
| Gender | |||
| Female | 34 (26%) | 93 (48%) | |
| Male | 98 (74%) | 99 (52%) | <0.001 |
| Race | |||
| Caucasian | 119 (90%) | 179 (93%) | 0.43 |
| African–American | 6 (5%) | 10 (5%) | |
| Asian | 4 (3%) | 0 (0%) | |
| Hispanic | 3 (2%) | 2 (1%) | |
| Multiple races | 0 (0%) | 1 (0.5%) | |
| Tobacco use | |||
| Yes | 84 (64%) | 189 (98%) | |
| No | 47 (36%) | 2 (1%) | <0.001 |
| Unknown | 1 (1%) | 1 (0.5%) | |
COPD, chronic obstructive pulmonary disease; IPF, idiopathic pulmonary fibrosis.