Table 3.
AUC (95%CI) | Sensitivity (%) | Specificity (%) | Youden index | Cutoff point | |
---|---|---|---|---|---|
ROC | |||||
FPG | 0.58 (0.56-0.61) | 54.6 (45.2-63.1) | 66.1 (57.4-75.6) | 0.207 | 5.57 mmol/L |
PPG | 0.63 (0.61-0.65) | 68.3 (59.5-76.4) | 66.7 (58.5-75.1) | 0.350 | 7.29 mmol/L |
HbA1c | 0.60 (0.58-0.61) | 71.3 (61.1-80.6) | 55.4 (44.7-64.2) | 0.267 | 5.65 % |
ADA criteria | |||||
FPG | - | 54.4 (45.3-64.1) | 65.5 (56.3-74.9) | 0.199 | 5.6 mmol/L |
PPG | - | 50.7 (39.8-59.9) | 71.4 (62.0-80.2) | 0.221 | 7.8 mmol/L |
HbA1c | - | 75.8 (65.5-84.7) | 51.3 (40.4-61.4) | 0.271 | 5.7 % |
WHO criteria | |||||
FPG | - | 32.1 (21.1-43.5) | 86.2 (81.3-90.4) | 0.183 | 6.1 mmol/L |
PPG | - | 50.7 (39.5-59.8) | 71.4 (66.2-76.7) | 0.221 | 7.8 mmol/L |
AUC: area under curve. FPG: fasting plasma glucose. PPG: postprandial plasma glucose. ADA: American Diabetes Association.