Table 3

Data analysis of VAS scores and pairwise comparisons.

Descriptive Statistics
VASMeanSD N
VAS preoperative7.830.8823
VAS early operative2.431.1623
VAS 2-y postoperative1.131.4223
Pairwise Comparisons
Measure: VAS
(I) Time(J) TimeMean Difference (IJ)Std. Error P Valueb 95% CI for Differenceb
Lower BoundUpper Bound
125.39a 0.19<0.0014.885.90
36.69a 0.27<0.0015.997.39
21−5.39a 0.19<0.001−5.90−4.88
31.30a 0.13<0.0010.961.64
31−6.69a 0.27<0.001−7.39−5.99
2−1.30a 0.13<0.001−1.64−0.96
  • Abbreviation: VAS, visual analog scale.

  • Note: Based on estimated marginal means.

  • a The mean difference is significant at the.

  • b Adjustment for multiple comparisons: Bonferroni.