Table 1 Characteristics of two groups
ORC group (n = 92) | PGA group (n = 95) | P value | |
|---|---|---|---|
Age, mean (years) | 21.0 (19.7–22.3) | 22.5 (21.2–23.8) | 0.12 |
Sex (male) | 84 (91.3%) | 86 (90.5%) | 0.85 |
Side (left) | 50 (54.4%) | 53 (55.8%) | 0.84 |
Observation time, mean (days) | 621.9 (558.0–685.9) | 615.7 (552.7–678.7) | 0.89 |
Postoperative complication (CD classification grade > grade II) | 1 (1.1%) | 1 (1.1%) | 1 |