Table 1.
Number and percentage of joints showing correlation of MRI-joint-space narrowing (JSN) with XR-JSN
| MRI-JSN score | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| XR-JSN score | 0.0 | 0.5 | 1.0 | 1.5 | 2.0 | 2.5 | 3.0 | 3.5 | 4.0 | Total |
| 0.0 | 449 (78.1%) | 0 | 32 (5.6%) | 0 | 12 (2.1%) | 0 | 0 | 0 | 0 | 493 (85.7%) |
| 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1.0 | 2 (0.3%) | 0 | 22 (3.8%) | 0 | 5 (0.9%) | 0 | 0 | 0 | 0 | 29 (5.4%) |
| 1.5 | 0 | 0 | 1 (0.2%) | 0 | 1 (0.2%) | 0 | 0 | 0 | 0 | 2 (0.3%) |
| 2.0 | 0 | 0 | 1 (0.2%) | 0 | 30 (5.2%) | 7 (1.2%) | 0 | 0 | 0 | 38 (6.6%) |
| 2.5 | 0 | 0 | 0 | 0 | 0 | 7 (1.2%) | 1 (0.2%) | 1 (0.2%) | 0 | 9 (1.6%) |
| 3.0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 (0.5%) | 1 (0.2%) | 0 | 4 (0.7%) |
| 3.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Totals | 451 (78.4%) | 0 | 56 (9.7%) | 0 | 48 (8.3%) | 14 (2.4%) | 6 (1.0%) | 2 (0.3%) | 0 | 575 (100%) |
Bold values indicate exact agreement between 9-point Genant-modified Sharp XR-JSN score MRI-JSN and XR-JSN.