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Agreement between the radiographic ratings of one experienced and one inexperienced observer (weighted Kappa coefficients with 95% CL)
| Interobserver agreement radiography (n=84 lumbar intervertebral discs) | |||
|---|---|---|---|
| Kappa | 95% CL | ||
| Lower | Upper | ||
| Height loss Osteophyte formation Diffuse sclerosis Overall grade |
0.798 0.687 0.681 0.787 |
0.713 0.559 0.490 0.702 |
0.884 0.814 0.872 0.872 |
CL confidence limits
