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Table 3 Tukey’s post hoc analysis for all pairwise comparisons among archwire sizes for bracket slot size 0.018 in.

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

Comparison of wires (in.) Mean difference HSD statistic p value Tukey’s 95 % CI
0.018 × 0.018 vs 0.018 × 0.022 4.73 31.07 <0.001 [4.20 , 5.27]
0.018 × 0.018 vs 0.018 × 0.025 12.41 81.44 <0.001 [11.88 , 12.94]
0.018 × 0.022 vs 0.018 × 0.025 7.68 50.37 <0.001 [7.14 , 8.21]
  1. HSD honest significant difference, CI confidence interval