< 40 years | ≥ 40 years | ||
---|---|---|---|
(n = 84) | (n = 129) | P | |
Male | 55 (65.5) | 68 (52.7) | 0.065 |
Smoking status | |||
Never-smoker | 39 (46.4) | 75 (58.1) | 0.113 |
Current or past smoker | 31 (36.9) | 43 (33.3) | |
Missing data | 14 (16.7) | 11 (8.5) | |
Charlson comorbidity index | |||
0 | 69 (82.1) | 74 (57.4) | 0.002 |
1 | 12 (14.3) | 37 (28.7) | |
2 | 2 (2.4) | 12 (9.3) | |
3 | 1 (1.2) | 6 (4.7) | |
Season | |||
Spring | 13 (15.5) | 25 (19.4) | 0.001 |
Summer | 40 (47.6) | 27 (20.9) | |
Fall | 13 (15.5) | 35 (27.1) | |
Winter | 18 (21.4) | 42 (32.6) |