Table 1.
Maximum grade of tibiofemoral joint space narrowing on PA view vs maximal and individual WORMS reading on 10 tibiofemoral subregions
| Max TF JSN=0 on PA view (N=28)
|
Max TF JSN≥1 on PA view (N=161)
|
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WORMS cartilage morphology score
|
WORMS cartilage morphology score
|
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| 0 | 1 | 2 | 2.5 | 3 | 4 | 5 | 6 | 0 | 1 | 2 | 2.5 | 3 | 4 | 5 | 6 | |
| Maximum cartilage score of 10 subregions (%) | 8 (28.6) | 0 (0.00) | 5 (17.9) | 2 (7.1) | 10 (35.7) | 1 (3.6) | 2 (7.1) | 0 (0.00) | 11 (6.9) | 0 (0.00) | 12 (7.5) | 1 (0.6) | 64 (39.8) | 24 (14.9) | 46 (28.6) | 3 (1.9) |
Framingham Osteoarthritis Study—limited to knees scored Kellgren and Lawrence grade 2.
JSN, joint space narrowing; PA,; TF, tibiofemoral; WORMS, whole-organ magnetic resonance imaging score.