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Sensitivity and specificity of MR features with clinical diagnosis as reference standard.
| Sensitivity (95% CI) | Specificity (95% CI) | |
|---|---|---|
| Subchondral resorption | 78% (65, 87) | 92% (76, 98) |
| BME | 48% (35, 61) | 100% (87, 100) |
| Erosion | 61% (48, 73) | 100% (87, 100) |
| Ankylosis | 6% (2, 15) | 100% (87, 100) |
| BME, erosion, or ankylosis | 63% (50, 75) | 100% (87, 100) |
CI confidence interval, BME bone marrow edema, MR magnetic resonance.
