Preliminary MRI evaluation*: detection of bone erosions and synovitis of low field spin echo and gradient echo MRI with high field spin echo MRI as standard reference
| Low field MRI | ||||||
|---|---|---|---|---|---|---|
| Sensitivity (%) | Specificity (%) | Accuracy (%) | ||||
| T1-SE | T1-GE | T1-SE | T1-GE | T1-SE | T1-GE | |
| *Based on assessment of 10 patients and 10 controls. | ||||||
| T1-SE, T1 weighted spin echo; T1-GE, T1 weighted gradient echo. | ||||||
| Wrist erosions | 56 | 87 | 95 | 90 | 86 | 89 |
| MCP erosions | 35 | 94 | 99 | 96 | 92 | 96 |
| Wrist synovitis | 85 | 92 | 86 | 71 | 85 | 85 |
| MCP synovitis | 65 | 81 | 97 | 73 | 79 | 78 |