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Table 11 Correlation between the anteroposterior (AP) and vertical (V) changes in the hard and soft tissue variables

From: Changes of lip morphology following mandibular setback surgery using 3D cone-beam computed tomography images

Correlation variables R 2 p value
ΔB(z) vs. ΔLi(z) (mm) 0.737 0.010**
ΔL1(z) vs. ΔCh(y) (mm) 0.602 0.050*
ΔCh(z) (mm) 0.671 0.024*
ΔLi(z) (mm) 0.848 0.001**
ΔStm(z) (mm) 0.745 0.008**
ΔStm-Y-Li (°) 0.588 0.057*
ΔPog(z) vs. ΔLi(z) (mm) 0.629 0.038*
ΔMe(y) vs. ΔCh Rt-Stm-Ch Lt (°) 0.646 0.032*
  1. *Statistically significant difference between the groups (P <0.05)
  2. **Statistically significant difference between the groups (P <0.01)
  3. Correlations and ratios of the anteroposterior and vertical changes between the hard and soft were examined. Pearson correlation analysis was done. Ratio (R 2) means amount of change in the soft tissue/amount of change in the hard tissue. Positive (+) value, the change with the same direction; negative (−) value, the opposite direction