| VPG (Ref.) vs CBG | HbA1c (Ref.) vs. CBG | HbA1c (Ref.) vs. VPG |
---|---|---|---|
Positive state for ROC curve | 7.0 mmol/L | 7% | 7% |
No. positive | 4 | 7 | 7 |
No. negative | 665 | 634 | 634 |
Area under curve | 0.898 | 0.754 | 0.733 |
Std.Err. | 0.036 | 0.068 | 0.104 |
Asympt. Sig. | 0.006 | 0.021 | 0.033 |
95% CI  Lower bound  Upper bound | 0.827 0.970 | 0.620 0.888 | 0.529 0.938 |
Optimal test result for | 5.6 | 5.03 | 4.6 |
Sensitivity | 75.0% | 85.7% | 85.7% |
Specificity | 100 – 21.2% | 100 – 50.0% | 100 – 73.8% |