High triglyceride–glucose index is associated with poor prognosis in patients with acute ST-elevation myocardial infarction after percutaneous coronary intervention

Table 4 Co-linearity analysis of MACCEs predictors and TyG index

	Unstandardized coefficients		Standardized coefficients	t	Sig.	Collinearity statistics
	B	Std. error	Beta	t	Sig.	Tolerance	VIF
(Constant)	6.683	0.356		18.758	0.000
Age, years	− 0.006	0.002	− 0.100	− 2.406	0.016	0.424	2.361
DBP, mmHg	0.005	0.001	0.098	3.231	0.001	0.801	1.248
Killip class > 1	− 0.080	0.056	− 0.044	− 1.415	0.157	0.754	1.325
Smoker	0.094	0.043	0.066	2.184	0.029	0.803	1.245
Hypertension	0.066	0.063	0.206	1.050	0.298	0.097	10.331
Diabetes mellitus	0.287	0.371	0.207	0.772	0.444	0.052	19.393
Anemia	− 0.041	0.066	− 0.018	− 0.617	0.538	0.824	1.214
White blood cells	− 0.012	0.006	− 0.061	− 1.931	0.054	0.741	1.349
Platelet	0.001	0.003	0.111	3.700	0.000	0.861	1.225
Albumin	0.021	0.005	0.137	4.461	0.000	0.861	1.225
Measured HbA1c	− 0.053	0.024	− 0.447	− 2.167	0.035	0.087	11.464
FPG	0.545	0.098	1.083	5.576	0.000	0.098	10.171
Uric acid	0.031	0.015	0.065	2.245	0.025	0.864	1.157
eGFR	0.002	0.001	0.116	2.970	0.003	0.475	2.106
Lesion vessels	− 0.015	0.017	− 0.033	− 0.900	0.368	0.551	1.814
three-vessel disease	0.118	0.052	0.082	2.283	0.023	0.560	1.787
Number of stents	0.087	0.006	0.482	4.721	0.002	0.682	1.160
Gensini score	0.074	0.030	0.293	2.456	0.018	0.260	3.848
LVEF	0.508	0.186	0.080	2.733	0.006	0.862	1.160

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