Type of Radiography | Gold Test | + | - | Total | Kappa | P-value |
Digital Subtraction | + | 7 | 0 | 7 | 0.35 | 0.004 |
- | 13 | 20 | 33 | |||
Total | 20 | 20 | 40 | |||
Direct Digital | + | 7 | 1 | 8 | 0.30 | 0.018 |
- | 13 | 19 | 32 | |||
Total | 20 | 20 | 40 |