| n | HHS mean | t value | P value |
---|---|---|---|---|
Preoperative | 17 | 40.65 ± 9.66 | − 20.518 | 0.000 |
Postoperative (12 weeks) | 87.29 ± 4.40 | |||
Preoperative | 16a | 39.94 ± 9.51 | − 22.796 | 0.000 |
Postoperative (24 weeks) | 92.38 ± 2.03 | |||
Postoperative (12 weeks) | 16a | 87.25 ± 4.54 | − 5.149 | 0.000 |
Postoperative (24 weeks) | 92.38 ± 2.03 |