Table 1.
Patient demographics for each group.
| Variable | Group 1 (Active smoker) (N = 165) | Group 2 (Former smoker) (N = 506) | Group 3 (Non-smoker) (N = 780) | Overall (N = 1,452) | |
|---|---|---|---|---|---|
| Gender | Female | 91 (55%) | 254 (50%) | 586 (75%) | 931 (64%) |
| Male | 74 (45%) | 252 (50%) | 194 (25%) | 521 (36%) | |
| Age (year, mean ± SD) (range) | 66 ± 13 (29 – 94) | 79 ± 10 (38 – 102) | 81 ± 13 (19 – 104) | 79 ± 13 (19 – 104) | |
| Age < 65 years | 71 (43%) | 48 (9%) | 80 (10%) | 200 (14%) | |
| Age < 50 years | 16 (10%) | 6 (1%) | 25 (3%) | 47 (3%) | |
| BMI (kg/m2, mean ± SD) (range) | 24.3 ± 5.3 (14.7 – 40.8) | 25.6 ± 5.0 (14.8 – 48.4) | 25.1 ± 4.8 (10.6 – 52.3) | 25.2 ± 4.9 (10.6 – 52.3) | |