Table 3 Receiver operating characteristic curve indexes for CBG and HbA1c vs. VPG
From: Performance of diabetes screening tests: an evaluation study of Iranian diabetes screening program
| Â | CBG | HbA1c |
|---|---|---|
Cut point (as recommended) | 126 (mg/dl) | 6.5 (%) |
n. positive | 91 | 264 |
n. negative | 966 | 793 |
Area under the curve | 0.902 | 0.925 |
SE | 0.023 | 0.015 |
p-value | < 0.001 | < 0.001 |
95% CI | 0.856–0.948 | 0.896–0.954 |
Sensitivity | 80.30 | 77.50 |
Specificity | 89.10 | 94.20 |
Optimal cut point | 116.50 | 7.15 |