Table 3 Areas Under the ROC Curve (AUC), Sensitivity and specificity by the optimized cutoff points for glucose level at admission in predicting in hospital mortality.

From: The different effects of admission blood glucose levels on the outcomes of ST elevation myocardial infarction patients with and without diabetes

Group

AUC (95% CI)

Cut off According to Youden’s Index (mg/dl)

Sensitivity (%)

Specificity (%)

P value

PPV,95%CI

NPV,95%CI

Accuracy,95%CI

Diabetes (n = 132)

0.66 (0.56–0.76)

214

69

61

0.006

0.72 (0.68–0.75)

0.89 (0.82–0.96)

0.84 (0.77–0.91)

Nondiabetes (n = 203)

0.71 (0.62–0.80)

148

67

75

P < 0.001

0.57 (0.48–0.57)

0.74 (0.67–0.80)

0.70 (0.64–0.76)

  1. Significant values are in bold.