| Group A(N = 72) | Group B(N = 76) | P-value |
---|---|---|---|
VAS | |||
 Pre | 7.46 ± 0.95 | 7.30 ± 0.80 | 0.281 |
 1 months | 3.26 ± 0.73* | 3.45 ± 0.77* | 0.141 |
 1 year | 2.39 ± 0.57* | 2.37 ± 0.54* | 0.823 |
 Final | 3.74 ± 0.99* | 2.66 ± 0.66* |  < 0.001 |
ODI | |||
 Pre | 53.78 ± 7.18 | 52.58 ± 6.73 | 0.296 |
 1 months | 24.29 ± 3.15* | 25.33 ± 3.93* | 0.079 |
 1 year | 19.94 ± 3.09* | 19.39 ± 3.26* | 0.295 |
 Final | 31.94 ± 3.09* | 19.91 ± 3.26* |  < 0.001 |
 Reoperation rate | 34.72% (25/72) | 0% |  < 0.001 |