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Table 6 Pearson correlation coefficients between the incisor retraction, ANB, SN-MP and soft tissue thickness changes

From: Orthodontic incisor retraction caused changes in the soft tissue chin area: a retrospective study

Soft tissue thickness changesUpper incisor retractionLower incisor retractionANBSN-MP
Correlation coefficientP-valueCorrelation coefficientP-valueCorrelation coefficientP-valueCorrelation coefficientP-value
L1-LL−0.22P = 0.190.16P = 0.340.230P = 0.170.126P = 0.46
B-B′−0.26P = 0.12− 0.38P < 0.050.080P = 0.640.200P = 0.23
Pog-Pog’−0.05P = 0.79− 0.04P = 0.830.273P = 0.100.122P = 0.47