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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