Table 1

Results of intraclass correlation analysis to evaluate intra-rater reproducibility and inter-rater consistency

Measurement methodsIntra-rater reproducibility (Cronbach’s α)Inter-rater consistency (Cronbach’s α)
Rater 1Rater 2Rater 3
MM-AC-2D0.9460.7870.5200.679
AM-AC-2D0.9620.9200.8620.923
MM-MC-2D0.9330.7980.5910.729
AM-MC-2D0.9350.7730.9440.835
MM-overlay grid-3D0.8740.9180.7910.928
MM-line drawing-3D0.8860.9490.9510.938
AM-3D0.9640.7640.9150.954
MM-overlay grid-DynaCT0.5140.5250.6770.103
  • AC, autocalibration; AM, automated measurement; 2D/3D, two-dimensional/three-dimensional; MC, manual calibration.