Table 1 Comparison of VAS scores between the two groups of patients[\(\overline{x}\) ± s, Points]
Group | N | Before treatment | 1Â month after treatment | 2Â months after treatment | 3Â months after treatment |
|---|---|---|---|---|---|
C group | 76 | 6.13 ± 2.08 | 4.83 ± 1.76 | 1.84 ± 0.56 | 1.02 ± 0.33 |
R group | 76 | 5.88 ± 2.16 | 3.67 ± 1.14 | 0.92 ± 0.59 | 0.78 ± 0.04 |
t | Â | 0.727 | 4.823 | 9.860 | 6.294 |
P |  |  > 0.05 |  < 0.01 |  < 0.01 |  < 0.01 |