Table 4.

Association between TyG index and CAD severity

Variables	Multi-vessel coronary artery disease
Variables	OR (95% CI)^a	P-value	OR (95% CI)^b	P-value	OR (95% CI)^c	P-value
TyG index	1.715 (1.349–2.179)	< 0.001	1.764 (1.383–2.251)	< 0.001	1.715 (1.339–2.197)	< 0.001
T1	Reference		Reference		Reference
T2	1.205 (0.840–1.730)	0.311	1.200 (0.833–1.728)	0.328	1.122 (0.774–1.627)	0.543
T3	2.254 (1.533–3.313)	< 0.001	2.357 (1.595–3.848)	< 0.001	2.280 (1.530–3.398)	< 0.001
P-trend		< 0.001		< 0.001		< 0.001

Compared with single-vessel CAD

T1: 5.48 ≤ TyG index ≤ 7.17; T2: 7.18 ≤ TyG index ≤ 7.76; T3: 7.77 ≤ TyG index ≤ 10.82

OR, odds ratios; CI, confidence interval; TyG, triglyceride glucose

^aModel 1: unadjusted

^bModel 2: adjusted for age and sex;

^cModel 3: adjusted for age, sex, SBP, DBP, BMI, smoking, drinking, and antihypertensive, antilipidemic, and antiplatelet drug therapy