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Table 2 Results of statistical comparisons between the groups

From: Early diagnosed impacted maxillary canines and the morphology of the maxilla: a three-dimensional study

Measurements (mm) DMC Controls    Effect size
Mean SD Mean SD P value Significance d value ES
IMW 47.21 2.48 49.75 2.19 0.00042 ** 1.06119 L
AL 36.46 1.92 38.16 2.13 0.00510 ** 0.82173 L
PVD 14.73 1.11 14.67 1.49 0.87840 NS
SAS 29.15 2.08 31.97 2.32 0.00005 ** 1.25026 L
AAS 73.82 2.73 77.88 3.23 0.00002 ** 1.32721 L
R-Af 36.75 1.78 38.82 1.78 0.00018 ** 1.13612 L
L-Un 37.07 1.23 39.06 1.57 0.00001 ** 1.37753 L
  1. DMC displaced maxillary canines, IMW intermolar width, AL arch length, PVD depth of the palatal vault, SAS sum of the anterior segments, AAS available arch space, R-Af right/affected, L-Un left/unaffected available space, SD standard deviation, ** statistically significant (P < 0.01), NS not significant, ES effect size, L large