Fig. 2

(A) NRS.R scores in the three groups at different postoperative periods. A line graph represents the results. ^*P < 0.05, ^**P < 0.01, ^***P < 0.001, ^****P < 0.0001 compared with Group D₀. (B) NRS.M scores in the three groups at different postoperative periods. A line graph represents the results. ^*P < 0.05, ^**P < 0.01,^***P < 0.001,^****P < 0.0001 compared with Group D₀

Abbreviation: NRS.R, Numeric Rating Scale of Rest; NRS, Numeric Rating Scale of Movement