Lab

Glucose to Insulin Ratio

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Glucose to Insulin Ratio, G:I Ratio

  • Indications
  1. Insulin Resistance in Polycystic Ovary Syndrome
  • Efficacy in Insulin Resistance Diagnosis in PCOS
  1. Normalized for non-Hispanic white PCOS women
  2. Test Sensitivity: 95%
  3. Test Specificity: 84%
  4. Positive Predictive Value: 87%
  5. Negative Predictive Value: 94%
  • Interpretation
  1. G:I Ratio <4.5 considered abnormal
  • References
  1. Legro (1998) J Clin Endocrinol Metab 83:2694-8 [PubMed]