Figure 1.
Comparison of VAS scores between the two groups at different time points. Compared with the experimental group, ∗∗∗P < .001; compared with preoperatively, aP < .05; compared with 1 week after operation, bP < .05; compared with 6 weeks after operation, cP < .05. 0: before the operation; 1–15: specific weeks after the operation.