Research Article
HbA1c Cutoff Point of 5.9% Better Identifies High Risk of Progression to Diabetes among Chinese Adults: Results from a Retrospective Cohort Study
Table 3
Predictive value of the diabetes incidence after 3 years of follow-up according to the different IGR definitions at baseline.
| | Sensitivity | Specificity | Positive predictive value | Negative predictive value | Positive likelihood ratio | Negative likelihood ratio | Youden index |
| FPG 6.1–6.9 mmol/L | 0.390 | 0.884 | 0.215 | 0.947 | 3.362 | 0.690 | 0.274 | 2hPG 7.8–11.0 mmol/L | 0.343 | 0.905 | 0.231 | 0.944 | 3.611 | 0.726 | 0.248 | HbA1c ≥ 5.7% | 0.862 | 0.371 | 0.100 | 0.971 | 1.370 | 0.372 | 0.233 | HbA1c ≥ 5.9% | 0.771 | 0.580 | 0.130 | 0.969 | 1.836 | 0.395 | 0.351 |
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