| OSE group (n = 52) | UBE group (n = 52) | P value |
---|---|---|---|
Operative time (min) | 62.42 ± 4.86 | 68.96 ± 4.56 |  < 0.001 |
Intraoperative blood loss (ml) | 51.83 ± 6.52 | 54.06 ± 8.13 | 0.192 |
Incision length (cm) | 2.30 ± 0.14 | 2.70 ± 0.15 |  < 0.001 |
Hospital stay (d) | 6.06 ± 0.87 | 6.13 ± 0.89 | 0.731 |