Table 1 Demography factors and co-morbidities
Variable | Emphysema n = 29 | Control n = 87 | p |
|---|---|---|---|
Gender, (male: female) | 22:7 | 23:64 | < 0.0001 |
Chronological age, years (SD) | 72 ± 9 | 67 ± 6 | 0.004 |
Body mass index (SD) | 24 ± 3 | 27 ± 4 | 0.0007 |
Cigarette smoking, former (%) | 23 (79) | 36 (41) | < 0.0001 |
Occupational exposure, (%) | 15 (52) | 35 (40) | 0.279 |
Family history with lung disease, (%) a | 5 (17) | 4 (5) | 0.02 |