Table 2

Sensitivity, specificity, PPV, and NPV for diabetes using different A1C cutoff points

A1C% total population% high risk (IH)Sensitivity (%)Specificity (%)PPV (%)NPV (%)
5.5%41709161999
5.6%285786741299
5.7%194278831699
5.8%123072912499
5.9%82167943398
6.0%51556974298
6.1%4942985498
6.5%1124999397
7.0%101210010095
  • IH, intermediate hyperglycemia.