Abstract

Lipid accumulation product is a novel biomarker of central lipid accumulation related to the risk of diabetes and cardiovascular diseases. In certain metabolic diseases, insulin resistance is often present which could be attributed to an abnormality in the insulin-specific receptors in various tissues, obesity, or visceral adiposity. This study aimed at determining the triglyceride–glucose index and lipid accumulation product index of apparently healthy individuals in Port Harcourt. A total of 150 healthy individuals were assessed for anthropometric and biochemical measurement, lipid accumulation production (LAP), and triglyceride --glucose index TyG. Comparison of mean values of biophysical variables body mass index (BMI), lipid accumulation product indices, cardiovascular, triglyceride–glucose index, insulin, C-peptide, glycated haemoglobin (HbAIC), Fasting blood sugar (FBS), and Body Mass Index (BMI) of male and female subjects were measured using standard procedures. A detailed comparison of mean values of biophysical variables of male and female subjects shows that the mean age for the male subjects (41.55±6.99 years) was significantly higher (p=0.0159) when compared to the mean age for female subjects (39.04±5.6 years. There was no significant difference in the mean weight, height, BMI, waist circumference, SBP, DBP, T. Chol, triglyceride, HDL, LDL, C-peptide level, HbAIc, FBS level, T. CHOL/HDL ratio, T. CHOL/LDL ratio, and TyG index between the male and female subjects. However, there was a significantly higher level of insulin for male than female subjects and higher LAP for female than male subjects. Also, there was a higher HOMA-R for male subjects than female subjects. Additionally, there was a positive correlation between BMI and the following; mean age, systolic blood pressure (SBP), diastolic blood pressure (DBP), waist circumference (WC), and insulin levels. The Receiver's Operating Characteristics (ROC) curve for the LAP test had a high AUC value of 0.9970. Similarly, the ROC curve analysis of the TyG test had a high AUC of 0.8344. However, these findings emphasize the LAP test has a stronger discriminatory ability than TyG. Healthy individuals may have the cardiovascular risk of being evaluated by LAP, which is very cost-effective.

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