| Preoperativea | 2-year follow-upa | Difference†| p-value‡ | p-value§ |
---|---|---|---|---|---|
100-mm VAS | |||||
 Group 1 | 51.84 ± 19.98 | 17.25 ± 20.31 | −34.59 (95% CI, −47.61 to −21.57) | < 0.001 | 0.72 |
 Group 2 | 59.11 ± 19.67 | 19.37 ± 18.58 | − 39.74 (95% CI, − 49.83 to − 29.64) | < 0.001 |  |
HSS | |||||
 Group 1 | 68.82 ± 11.86 | 93.09 ± 13.64 | 24.27 (95% CI, 16.49 to 32.06) | < 0.001 | 0.14 |
 Group 2 | 67.57 ± 14.74 | 86.09 ± 13.36 | 18.52 (95% CI, 11.19 to 25.86) | < 0.001 |  |
AOFAS | |||||
 Group 1 | 72.23 ± 11.85 | 91.23 ± 8.62 | 19.00 (95% CI, 11.97 to 26.03) | < 0.001 | 0.09 |
 Group 2 | 69.30 ± 17.97 | 86.91 ± 10.68 | 17.61 (95% CI, 9.02 to 26.20) | < 0.001 |  |