| Non-cancer ( n = 57) a | Cancer ( n = 58) a | p -value b |
---|---|---|---|
Age, yr | 59.3 (±14.2) | 64.4 (±9.5) | 0.022 |
Gender | Â | Â | 0.021 |
 Male | 28 | 40 |  |
 Female | 29 | 16 |  |
Smoking history | Â | Â | 0.035 |
 Current | 23 | 12 |  |
 Former | 27 | 37 |  |
 Never | 0 | 1 |  |
Pack-Years | 43 (±28.7) | 53 (±31.3) | 0.072 |
Ethnicity | |||
 White | 45 | 46 |  |
 AA | 9 | 4 |  |
 Other | 1 | 1 |  |