Table 1.

The definition of the four NI-IRIs

NI-IRI	Definition
TyG index	TyG = Ln (TG × FBG/2)
METS-IR index	METS-IR = Ln (2 × FPG + TG) × BMI / Ln (HDL-C)
TG/HDL-C ratio	TG/HDL-C = TG / HDL-C
TyG-BMI index	TyG-BMI = Ln (TG × FBG/2) × BMI

(BMI (kg/m²): Body Mass Index; FBG (mg/dl): Fasting Blood Glucose; HDL-C (mg/dl): High-Density Lipoprotein Cholesterol; TG (mg/dl): Triglycerides; TyG index: Triglycerides and Glucose Index; TyG-BMI index: Triglycerides and Glucose Body Mass Index; TG/HDL-C ratio: Ratio of Triglycerides to High-Density Lipoprotein Cholesterol; METS-IR index: Metabolic Insulin Resistance Score)