Characteristics | UPSF group | BPSF group | t | p |
---|---|---|---|---|
Operative time(min) | 92.30 ± 11.03 | 119.67 ± 16.41 | 7.454 |  < 0.001 |
operative blood loss(ml) | 97.04 ± 37.29 | 114.00 ± 35.58 | 1.757 | 0.085 |
postoperative hospital stay (d) | 6.15 ± 3.08 | 6.20 ± 1.82 | 0.076 | 0.94 |