Benefits of the Neutrophil-to-Lymphocyte Ratio for the Prediction of Gestational Diabetes Mellitus in Pregnant Women

Abstract

Aims:

There is growing consensus in the literature that inflammation plays a central role in the pathophysiology of obesity, Type 2 Diabetes Mellitus (T2DM), Gestational Diabetes Mellitus (GDM) and cardiovascular complications. Measuring the neutrophil-to-lymphocyte ratio (NLR) provides a simple inexpensive method for the assessment of inflammatory status. We investigated the predictive value of pre-procedural (before the oral glucose tolerance test (OGTT)) NLR on the development of GDM in pregnancy.

Methods:

42 women with GDM and 68 women without GDM were included in the study. Complete Blood Count and biochemical tests were followed by a diagnostic 4-point 100-g-OGTT within 2 weeks. GDM was diagnosed by the Carpenter and Coustan criteria. The NLR was calculated from the data.

Results:

The mean NLR level was significantly higher in GDM women (3.00±0.83 vs. 2.26±0.43 p<0.001, respectively). In ROC analysis, NLR>2.93 had 76.2% sensitivity and 94.1% specificity in predicting GDM. Logistic regression analysis showed that elevated NLR (OR: 5.512, 95% CI: 1.352–22.475, p=0.017) was an independent variable for predicting GDM in pregnancy.

Conclusions:

An elevated NLR level is a powerful and independent predictor of GDM. The results of this study suggested that inflammation plays a central role in the pathogenesis of GDM.

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