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VAS score of patients in both groups before and after treatment.
| Group | Before surgery | 6 months after surgery | 12 months after surgery | F | P |
|---|---|---|---|---|---|
| Observation group (n=40) | 6.76±0.57 | 2.43±0.78* | 2.61±0.83* | 443.900 | 0.000 |
| Control group (n=46) | 6.65±1.24 | 3.76±0.86* | 4.25±1.12*# | 93.470 | 0.000 |
| t | 0.515 | 7.468 | 7.617 | ||
| P | 0.608 | 0.000 | 0.000 |
Note: compared with before surgery, P<0.05; #compared with 6 months after surgery, P<0.05.
