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Table 5 Tukey’s post hoc analysis for all pairwise comparisons among archwire sizes for bracket slot size 0.022 in.

From: Torque efficiency of square and rectangular archwires into 0.018 and 0.022 in. conventional brackets

Comparison Mean difference HSD statistic p value Tukey’s 95 % CI
0.019 × 0.019 vs 0.019 × 0.025 4.88 23.91 <0.001 [4.16 , 5.59]
0.019 × 0.019 vs 0.019 × 0.026 5.74 28.12 <0.001 [5.02 , 6.45]
0.019 × 0.025 vs 0.019 × 0.026 0.86 4.21 <0.001 [0.14 , 1.58]
  1. HSD honest significant difference, CI confidence interval