Oral Glucose Tolerance Test Measures of First-phase Insulin Response and Their Predictive Ability for Type 1 Diabetes.
David A BaidalMegan WarnockPing XuSusan GeyerJennifer B MarksAntoinette MoranJay SosenkoCarmella Evans-MolinaPublished in: The Journal of clinical endocrinology and metabolism (2022)
C-peptide index was the strongest measure to correlate with FPIR in both studies. Index60 and C-peptide index had the highest predictive accuracy for T1D and were comparable. OGTTs could be considered instead of IVGTTs for subject stratification in T1D prevention trials.