Table 6 Interobserver agreement
From: The correlation between radiographic and pathologic grading of lumbar facet joint degeneration
| Â | Histology | CT | MR | CT combined with MR | ||||
|---|---|---|---|---|---|---|---|---|
Time | 1st | 2nd | 1st | 2nd | 1st | 2nd | 1st | 2nd |
Exact estimate | 65 | 65 | 57 | 56 | 57 | 56 | 55 | 54 |
| Â | 87.84Â % | 87.84Â % | 77.03Â % | 75.68Â % | 77.03Â % | 75.68Â % | 74.32Â % | 72.97Â % |
Wκ | 0.810 | 0.812 | 0.653 | 0.630 | 0.645 | 0.615 | 0.553 | 0.572 |