Table 4.
Comparison of the overall specificity, sensitivity, and PPV between two FOVs group
| Variable/Group | Mean (SD) | P -value* | |
|---|---|---|---|
| Specificity | FOV 6×6 cm | 2.2 (0.43) | 0.0001 | 
| FOV 12×8 cm | 1.8 (0.21) | ||
| Sensitivity for small cavities | FOV 6×6 cm | 1.533 (0.55) | 0.1483 | 
| FOV 12×8 cm | 1.36 (0.21) | ||
| Sensitivity for medium cavities | FOV 6×6 cm | 1.2 (0.26) | 1.00 | 
| FOV 12×8 cm | 1 (0.32) | ||