Table 1: Characteristics of the study population.
Cases n | 125 |
Male/female n (%) | 110/15 (88/12) |
Age, years | 33.8 ± 17.7 |
Smoking never/former/current n (%) | 76/14/35 (61/11/28) |
Initial/Recurrence n (%) | 101/24 (81/19) |
Primary/Secondary n (%) | 103/22 (82/18) |
Right/Left n (%) | 62/63 (50/50) |
Outpatients/Inpatients n (%) | 32/93 (26/74) |
Chest drainage +/- n (%) | 85/40 (68/32) |
Data are presented as mean ± SD.