On multivariate logistic regression analysis adjusted for age and gender, predictors of high H3Cit in T2DM patients were: HbA1c ≥ 7.0% (OR 5.21, 95% CI 1.34–24.83, p = 0.016) and IL-6 (OR 2.40, 95% CI 1.76–3.61, p < 0.001). Here, IL6 is linked to type 2 diabetes mellitus.