Key result
The TyG index significantly correlated with HbA1c and HOMA-IR and identified glycemic control in T2DM patients with an AUC of 0.806 at a cutoff value of 15.5.
Why the study?
The study aimed to assess the association of the triglyceride-glucose (TyG) index with HbA1c and insulin resistance in type 2 diabetes mellitus.
Does the triglyceride-glucose (TyG) index correlate with HbA1c and insulin resistance to identify glycemic control in patients with type 2 diabetes mellitus?
Cross-Sectional (n=140)
Does the triglyceride-glucose (TyG) index correlate with HbA1c and insulin resistance to identify glycemic control in patients with type 2 diabetes mellitus?
Answers are grounded in this paper and cite their sources.
The TyG index is positively correlated with HbA1c and HOMA-IR and can serve as a simple, inexpensive tool for assessing glycemic control in patients with type 2 diabetes mellitus.
Background: The aim of this study was to assess the association of triglyceride-glucose (TyG) index with glycated haemoglobin (HbA1c) and insulin resistance in type 2 diabetes mellitus (T2DM).Methods: A total of 140 patients with T2DM were included in this cross-sectional study and divided into two groups according to their HbA1c levels: participants with HbA1c <7.0% (n=75) and those with HbA1c >7.0% (n=65) were defined as having a good glycemic control (group I) and a poor glycaemic control (group II) in T2DM.Anthropometric and biochemical parameters were measured, while the values of triglyceride (TG) to high density lipoprotein cholesterol (HDL-C) (TG/HDL-C) ratio and TyG index were calculated using formula.Results: Body mass index (BMI), fasting blood glucose (FBS), HbA1c and homeostatic model assessment for insulin resistance (HOMA-IR) were significantly higher in diabetic patients with poor glycemic control.TyG index was significantly correlated with HbA1c, HOMA-IR, TyG-BMI and TyG-WC.The receiver operating characteristic (ROC) analysis showed that TyG had a maximum area under the curve of 0.806, with a cut off value of 15.5 for identifying glycemic control in diabetic patients.Conclusion: TyG index is a useful tool for assessing glycemic control in T2DM patients and positively correlated with HbA1c and HOMA-IR.Hence, TyG can be used as a simple and inexpensive alternative to assess glycemic control in patients with diabetes.
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A 2021 study conducted a cross-sectional in Type 2 diabetes mellitus (n=140). Triglyceride-glucose (TyG) index vs. Good glycemic control (HbA1c <7.0%) vs. poor glycemic control (HbA1c >7.0%) was evaluated on Association with HbA1c and insulin resistance (HOMA-IR) and diagnostic accuracy for identifying glycemic control (AUC 0.806). The TyG index significantly correlated with HbA1c and HOMA-IR and identified glycemic control in T2DM patients with an AUC of 0.806 at a cutoff value of 15.5.
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