Table 4 Z-Score sensitivity and specificity based on computer-aided joint space analysis dependent on onset of erosions
From: Joint damage in rheumatoid arthritis: assessment of a new scoring method
Z-Score | Sensitivity (%) | Specificity (%) |
|---|---|---|
Metacarpal-phalangeal joint | ||
Thumb | 73.2 | 51.7 |
Index finger | 87.9 | 55.2 |
Middle finger | 75.8 | 55.2 |
Ring finger | 70.1 | 51.7 |
Little finger | 77.1 | 51.7 |
Total | 85.4 | 55.2 |
Proximal-interphalangeal joint | ||
Index finger | 74.5 | 44.8 |
Middle finger | 70.7 | 58.6 |
Ring finger | 69.4 | 58.6 |
Little finger | 63.1 | 51.7 |
Total | 67.5 | 51.7 |
Distal-interphalangeal joint | ||
Index finger | 58.6 | 41.4 |
Middle finger | 53.5 | 48.3 |
Ring finger | 62.4 | 41.4 |
Little finger | 51.0 | 48.3 |
Total | 53.5 | 37.9 |