Group | N | Before treatment | 1Â month after treatment | 2Â months after treatment | 3Â months after treatment |
---|---|---|---|---|---|
C group | 76 | 73.61 ± 7.34 | 28.51 ± 2.33 | 28.33 ± 2.62 | 28.15 ± 2.66 |
R group | 76 | 73.55 ± 7.26 | 26.89 ± 3.45 | 25.41 ± 3.46 | 26.47 ± 3.26 |
t | Â | 0.051 | 3.392 | 5.865 | 4.227 |
P |  |  > 0.05 |  < 0.01 |  < 0.01 |  < 0.01 |