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Table 4 ROC curve analysis for the performance of glucose parameters in early diagnosis of IR

From: Evaluation of glycemic abnormalities in children and adolescents with β-thalassemia major

Variable Sensitivity Specificity PPV NPV AUC 95% CI P
Fasting plasma g ≥ 115.5 mg/dl 81.8% 79.3% 60% 92% 0.828 0.68-0.98 0.002 (S)
2 h pp plasma glucose ≥ 162.5 mg/dl 81.8% 62.1% 45% 90% 0.812 0.66-0.96 0.003 (S)
Fasting insulin ≥ 9.13μU/ml 81.8% 72.4% 52.9% 91.3% 0.776 0.58-0.96 0.008 (S)
  1. PPV positive predictive value, NPV negative predictive value, AUC area under the curve, CI confidence interval