Table 2 Sensitivity, specificity, PPV, NPV, and accuracy of the six indices
Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | Accuracy (%) | |
|---|---|---|---|---|---|
SBR-Q | 94.4 (67/71) | 92.5 (37/40) | 95.7 (67/70) | 90.2 (37/41) | 93.7 (104/111) |
SBR-V | 78.9 (56/71) | 85.0 (34/40) | 90.3 (56/62) | 69.4 (34/49) | 81.1 (90/111) |
PCR-Q | 80.3 (57/71) | 87.5 (35/40) | 91.9 (57/62) | 71.4 (35/49) | 82.9 (92/111) |
FD-V | 90.1 (64/71) | 97.5 (39/40) | 98.5 (64/65) | 84.8 (39/46) | 92.8 (103/111) |
AI-Q | 71.8 (51/71) | 85.0 (34/40) | 89.5 (51/57) | 63.0 (34/54) | 76.6 (85/111) |
AI-V | 73.2 (52/71) | 85.0 (34/40) | 89.7 (52/58) | 64.2 (34/53) | 77.5 (86/111) |