Table 3 Intra- and inter-rater reliability of CT scan and radiographic measurements

XY

3-D CT

0.972

(0.959 to 0.981)

0.966

(0.952 to 0.976)

TCS-A

3-D CT

0.944

(0.918 to 0.962)

0.946

(0.926 to 0.961)

TCS-P

3-D CT

0.953

(0.931 to 0.968)

0.932

(0.900 to 0.954)

TCS-A

2-D CT

0.910

(0.869 to 0.938)

0.902

(0.865 to 0.930)

TCS-P

2-D CT

0.909

(0.869 to 0.938)

0.900

(0.865 to 0.928)

TCS

radiographic

0.838

(0.764 to 0.889)

0.818

(0.754 to 0.869)

TFO

radiographic

0.835

(0.765 to 0.886)

0.762

(0.689 to 0.824)

IFD

3-D CT

0.94

(0.907 to 0.961)

0.907

(0.872 to 0.934)

IFD

2-D CT

0.927

(0.889 to 0.951)

0.895

(0.857 to 0.925)

IFH

3-D CT

0.916

(0.878 to 0.942)

0.908

(0.876 to 0.934)

IFH

radiographic

0.783

(0.694 to 0.849)

0.742

(0.664 to 0.808)