Review Article

Diagnostic Accuracy of the Triglyceride and Glucose Index for Insulin Resistance: A Systematic Review

Table 3

Summary of the diagnostic accuracy measures reported for the TyG index.

StudyReferenceTyG cutoffSensitivity (%)Specificity (%)PPV (%)NPV (%)PLRNLRDORAUC

Guerrero-Romero, [10]HIEC4.689685NRNR6.40.051360.85
Guerrero-Romero, [12]HIEC4.68M67M72M38M90M2.4M0.45M5.2M0.67M
4.55F68F66F44F84F2.04F0.48F4.1F0.68F
Qu, [13]HIEC4.556772NRNR2.40.465.220.77
Almeda-Valdés, [5]HIEC4.4385.732.529.287.51.20.452.880.59
Simental-Mendía, [7]HOMA-IR4.65844581841.50.364.29NR
Guerrero-Romero, [12]HOMA-IR4.68M90.999.798.398.6NR0.093319.6NR
4.55F
Mazidi, [17]HOMA-IR4.7875.971.9NRNR2.70.348.050.81
Dorota-Łojko, [20]HOMA-IR4.6973.875.6NRNR3.00.358.720.78
Salazar, [21]HOMA-2IR4.4982.682.1NRNR4.60.2121.770.88

M: male; F: female; HC: hyperglycemic clamp; HIEC: hyperinsulinemic-euglycemic clamp; TyG: triglyceride/glucose index; PPV: positive predictive value; NPV: negative predictive value; PLR: positive likelihood ratio; NLR: negative likelihood ratio; DOR: diagnostic odds ratio; AUC: area under the curve; NR: not reported.