Characteristics | Intervention group (n = 772) | Control group (n = 764) | P |
Age (years) | 41.60 ± 14.00 | 41.67 ± 15.07 | 0.981 |
Gender (n, %) Male Female |
271 (35.10%) 501 (64.90%) |
292 (38.22%) 472 (61.78%) |
0.205 |
Smoking history (n, %) Yes No |
182 (23.58%) 590 (76.42%) |
207 (27.09%) 557 (72.91%) |
0.113 |
Department (n, %) Joint Surgery Spinal Surgery Gynecology Department Urology Surgery |
202 (26.16%) 101 (13.08%) 305 (39.51%) 164 (21.24%) |
231 (30.24%) 75 (9.82%) 208 (27.23%) 250 (32.72%) |
<0.001 |