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Table 2 Reliability analysis for the different measurements: Cronbach alpha values

From: Three-dimensional evaluation of root dimensions and alveolar ridge width of maxillary lateral incisors in patients with unilateral agenesis

Variable Treatment group Control group
LP At CEJ, method 1 (axial) 0.982 0.949
LP 4 mm apical to CEJ, method 1 (axial) 0.976 0.919
LP 8 mm apical to CEJ, method 1 (axial) 0.947 0.959
MD At CEJ, method 1 (axial) 0.850 0.901
MD 4 mm apical to CEJ, method 1 (axial) 0.872 0.924
MD 8 mm apical to CEJ, method 1 (axial) 0.962 0.966
LP At CEJ, sagittal 0.989 0.932
LP 4 mm apical to CEJ, sagittal 0.985 0.943
LP 8 mm apical to CEJ, sagittal 0.971 0.938
MD at CEJ, coronal 0.809 0.831
MD 4 mm apical to CEJ, coronal 0.958 0.912
MD 8 mm apical to CEJ, coronal 0.969 0.962
Labial bone 2 mm apical to CEJ, method 1 (axial) Scale has zero variance items 0.756
Labial bone 4 mm apical to CEJ, method 1 (axial) 0.739 0.936
Labial bone 6 mm apical to CEJ, method 1 (axial) 0.921 0.876
Labial bone 10 mm apical to CEJ, method 1 (axial) 0.943 0.964
Palatal bone 2 mm apical to CEJ, method 1 (axial) 0.995 0.829
Palatal bone 4 mm apical to CEJ, method 1 (axial) 0.900 0.895
Palatal bone 6 mm apical to CEJ, method 1 (axial) 0.956 0.991
Palatal bone 10 mm apical to CEJ, method 1 (axial) 0.981 0.989
Labial bone 2 mm apical to CEJ, method 2 (sagittal) Scale has zero variance items 0.997
Labial bone 4 mm apical to CEJ, method 2 (sagittal) 0.981 0.936
Labial bone 6 mm apical to CEJ, method 2 (sagittal) 0.964 0.974
Labial bone 10 mm apical to CEJ, method 2 (sagittal) 0.978 0.992
Palatal bone 2 mm apical to CEJ, method 2 (sagittal) 0.998 0.971
Palatal bone 4 mm apical to CEJ, method 2 (sagittal) 0.987 0.968
Palatal bone 6 mm apical to CEJ, method 2 (sagittal) 0.990 0.981
Palatal bone 10 mm apical to CEJ, method 2 (sagittal) 0.987 0.997
LP ridge width 2 mm apical to CEJ 0.997 0.984
LP ridge width 4 mm apical to CEJ 0.998 0.940
LP ridge width 6 mm apical to CEJ 0.995 0.964
LP ridge width 10 mm apical to CEJ 0.996 0.986
MD crown width at IE 0.937 0.795
MD crown width at midpoint 0.897 0.894
  1. LP labiopalatal, MD mesiodistal, CEJ cementoenamel junction. The scale had zero variance and therefore was unable to determine ICC as all values were zero