Table 3 AUC, sensitivity and specificity to detect refractive error with YD-SX-A and Topcon KR8800cutoff values derived from ROC curves
WHO criteria | Myopia(SE < -0.5D) | Hyperopia(SE >  + 2.0D) | Astigmatism(DC < -0.75D) |
|---|---|---|---|
YD-SX-A | |||
 AUC | 0.966 | 0.974 | 0.863 |
 Cutoff | -1.063 | -0.562 | -0.725 |
 Sensitivity | 90.17% | 97.78% | 84.08% |
 Specificity | 90.32% | 87.88% | 74.26% |
Topcon KR8800 | |||
 AUC | 0.976 | 0.995 | 0.980 |
 Cutoff | -1.188 | 0.312 | -0.875 |
 Sensitivity | 95.15% | 97.78% | 97.58% |
 Specificity | 91.24% | 96.55% | 93.25% |