Risk factor | Total | No cyst occurrence | Cyst occurrence |
n (%) | n (%) | n (%) | |
Gender | |||
Male | 521 (48.4%) | 287 (49.2%) | 234 (47.4%) |
Female | 556 (51.6%) | 296 (50.8%) | 260 (52.6%) |
Smoking | |||
Never | 416 (38.3%) | 211 (36.2%) | 205 (41.5%) |
Former | 453 (42.1%) | 240 (41.2%) | 213 (43.1%) |
Current | 208 (19.3%) | 132 (22.6%) | 76 (15.4%) |
Diabetes | |||
No | 993 (92.2%) | 552 (94.7%) | 441 (89.3%) |
Yes | 84 (7.8%) | 31 (5.3%) | 53 (10.7%) |