Type of Radiography | Gold Test | + | - | Total | Kappa | P-value |
Digital Subtraction | + | 13 | 0 | 13 | 0.65 | 0.000 |
- | 7 | 20 | 27 | |||
Total | 20 | 20 | 40 | |||
Direct Digital | + | 16 | 1 | 17 | 0.75 | 0.000 |
- | 4 | 19 | 23 | |||
Total | 20 | 20 | 40 |