Table 9 Inter observer reliability for X-ray and CT based assessments
From: A new acute scaphoid fracture assessment method: a reliability study of the ‘long axis’ measurement
Observer 1 | Observer 2 | Mean | ||||
|---|---|---|---|---|---|---|
X-ray | CT | X-ray | CT | X-ray | CT | |
Russe reliability(Kappa) | 0.628 | 0.679 | 0.538 | 0.420 | 0.583 | 0.550 |
Herbert reliability(kappa) | 0.749 | 0.850 | 0.639 | 0.828 | 0.694 | 0.839 |
Mayo reliability(kappa) | 0.831 | 0.838 | 0.817 | 0.871 | 0.824 | 0.855 |
Central distance reliability(ICC) | 0.905(0.950) | 0.900(0.948) | 0.884(0.938) | 0.878(0.935) | 0.895(0.944) | 0.889(0.946) |
Ulnar distance reliability(ICC) | 0.820(0.901) | 0.920(0.958) | 0.568(0.725) | 0.839(0.912) | 0.694(0.813) | 0.807(0.890) |
Radial distance reliability(ICC) | 0.822(0.902) | 0.931(0.964) | 0.850(0.919) | 0.755(0.860) | 0.836(0.911) | 0.843(0.912) |
Sagittal deformity reliability(kappa) | 0.765 | 0.891 | 0.612 | 0.636 | 0.689 | 0.764 |
Coronal deformity reliability(kappa) | 0.818 | 0.826 | 0.433 | 0.622 | 0.626 | 0.724 |
Comminution deformity reliability(kappa) | 0.774 | 0.840 | 0.689 | 0.944 | 0.732 | 0.892 |