Anterior (n = 24) | Posterior (n = 28) | Total (n = 52) | P | |
---|---|---|---|---|
Preoperative | 6.42 ± 1.59 | 5.96 ± 2.20 | 6.17 ± 1.94 | 0.547 |
Postoperative | 1.50 ± 0.59 | 1.39 ± 0.88 | 1.44 ± 0.75 | 0.396 |
Last follow-up | 0.67 ± 0.96 | 0.64 ± 1.13 | 0.65 ± 1.05 | 0.638 |
P | < 0.001* | < 0.001* | < 0.001* |