Table 2 Comparison of preoperative and postoperative range of motion between the two groups
Group | Number | Range of motion | |||
|---|---|---|---|---|---|
Preoperation | Postoperation | t value | P value | ||
Sacrifice group | 29 | 96.97 ± 8.30 | 126.00 ± 6.99 | 12.996 | 0.000 |
Retention group | 76 | 95.79 ± 8.08 | 124.64 ± 7.48 | 22.949 | 0.000 |
t value | – | 0.662 | 0.844 | – | – |
P value | – | 0.510 | 0.400 | – | – |