HbA1c (%NGSP)) | Sensitivity | Specificity | Positive Likelihood Ratio | Negative Likelihood Ratio | Youden’s Index |
---|---|---|---|---|---|
5.7 | 78% (70–86%) | 48% (43–53%) | 1.51 (1.31–1.73) | 0.45 (0.31–0.66) | 0.264 |
5.8 | 74% (66–83%) | 58% (53–62%) | 1.75 (1.49–2.06) | 0.45 (0.32–0.63) | 0.319 |
5.9 | 69% (60–78%) | 65% (60–69%) | 1.96 (1.63–2.36) | 0.47 (0.35–0.64) | 0.340 |
6.0 | 63% (54–73%) | 72% (67–76%) | 2.25 (1.81–2.78) | 0.51 (0.39–0.66) | 0.351 |
6.1 | 57% (48–67%) | 79% (75–83%) | 2.68 (2.09–3.44) | 0.54 (0.43–0.68) | 0.360 |
6.2 | 54% (45–64%) | 85% (81–88%) | 3.55 (2.66–4.74) | 0.54 (0.43–0.67) | 0.391 |
6.3 | 46% (36–55%) | 89% (86–92%) | 4.07 (2.80–5.75) | 0.61 (0.51–0.74) | 0.344 |
6.4 | 38% (28–47%) | 91% (89–94%) | 4.42 (2.95–6.62) | 0.68 (0.58–0.80) | 0.291 |
6.5 | 32% (23–41%) | 94% (92–96%) | 5.21 (3.24–8.38) | 0.73 (0.64–0.83) | 0.256 |