From: Glycated hemoglobin independently or in combination with fasting plasma glucose versus oral glucose tolerance test to detect abnormal glycometabolism in acute ischemic stroke: a Chinese cross-sectional study
Sensitivity
Specificity
Youden index
HbA1c cut-off valuea
Diabetes mellitus
0.579
0.824
0.403
6.3%
Diabetes plus prediabetes
0.590
0.742
0.332
5.9%