Journal
JOURNAL OF MATERNAL-FETAL & NEONATAL MEDICINE
Volume 28, Issue 16, Pages 1957-1962Publisher
TAYLOR & FRANCIS LTD
DOI: 10.3109/14767058.2014.973397
Keywords
Fasting plasma glucose; gestational diabetes mellitus; high sensitivity C-reactive protein; homeostatic model assessment; insulin
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Objective: To develop a predictive index based on high sensitivity C-reactive protein (hs-CRP), fasting plasma glucose (FPG) and fasting plasma insulin (FPI) measurements for early diagnosis of gestational diabetes mellitus (GDM). Methods: Healthy pregnant women who were screened for GDM during their first antenatal visit were included in this retrospective cohort study. FPG, FPI and serum hs-CRP concentrations were measured between weeks 11 and 14. A two-step glucose challenge test was carried out between gestational weeks 24 and 28. Fasting glucose/insulin ratio (FIGR), Homeostatic Model Assessment Insulin Resistance (HOMA-IR), HOMA-beta indices and Quantitative Insulin Sensitivity Check Index (QUICKI) were used to estimate insulin sensitivity and beta-cell function. Results: Of the 450 women who were eligible for the study, 49 (11.2%) were diagnosed with GDM at weeks 24-28. The median FPG and hs-CRP levels were higher in the GDM diagnosed women compared to the others. Comparison of accuracy measures resulted in the highest specificity (87.2%; 95% CI 83.5-90.1) and diagnostic odds ratio (3.9; 95% CI 2.1-7.6) for hs-CRP. Conclusion: FPG and hs-CRP in the first trimester are correlated with later development of GDM in the pregnancy. In our study, FPG provided a better sensitivity while hs-CRP exhibited a better specificity for prediction of GDM.
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