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Table 4  C-statistics of discrimination ability of different models for CAC.

From: Relationship between a novel non–insulin-based metabolic score for insulin resistance (METS‐IR) and coronary artery calcification

variables

AUC

95% CI

P value

Z value

P for comparison

Univariate model

 

TG/HDL-C

0.577

0.552–0.601

< 0.001

4.352

Reference

TyG

0.603

0.578–0.627

< 0.001

5.871

0.001

METS-IR

0.607

0.583–0.631

< 0.001

6.243

0.021

Multivariate model

 

Baseline risk modela

0.692

0.669–0.715

< 0.001

11.531

Reference

Baseline risk modela with TG/HDL-C

0.694

0.671–0.717

< 0.001

11.659

0.486

Baseline risk modela with TyG

0.697

0.674–0.720

< 0.001

11.841

0.257

Baseline risk modela with METS-IR

0.700

0.677–0.723

< 0.001

12.100

0.176

  1. a The baseline risk model included age, sex, smoking, diabetes, hypertension, systolic blood pressure, diastolic blood pressure, total cholesterol, low-density lipoprotein cholesterol, creatinine, high sensitivity C-reactive protein, hemoglobin Alc
  2. CAC coronary artery calcification, TG triglyceride, HDL-C high-density lipoprotein cholesterol, TyG triglyceride-glucose index, METS-IR metabolic score for insulin resistance, AUC area under the curve, CI confidence interval