|
Cartilage defect
|
No cartilage defect
|
Total
|
| Marginal osteophyte | 14 | 1 | 15 |
| No marginal osteophyte | 1 | 0 | 1 |
| Total | 15 | 1 | 16 |
|
(B) The correlation between MR detected cartilage defects and marginal osteophytes in the tibiofemoral joint with minimum joint space width ⩾3 mm. Marginal osteophytes had a sensitivity of 65%, a specificity of 87%, and a positive and negative predictive value of 81% and 74% respectively for MR detected cartilage defects
|
|
Cartilage defect
|
No cartilage defect
|
Total
|
| Marginal osteophyte | 13 | 3 | 16 |
| No marginal osteophyte | 7 | 20 | 27 |
| Total | 20 | 23 | 43 |