Table 3.

Subgroup analysis.

Confounding factor category	Serum TyG index quintiles					HR for TG/HDL-C as continuous variable	P for trend	P for interaction
	Q1	Q2	Q3	Q4	Q5
Gender								0.39
Male	1	0.70 (0.37, 1.30) 0.26	1.10 (0.61, 1.96) 0.76	1.53 (0.90, 2.61) 0.12	2.69 (1.66, 4.36) < 0.01	2.35 (1.73, 3.19) < 0.01	2.57 (1.78, 3.72) < 0.01
Female	1	1.47 (0.59, 3.66) 0.41	1.08 (1.09, 5.48) 0.03	1.40 (0.91, 4.73) 0.08	1.26 (1.24, 5.99) 0.01	1.90 (1.27, 2.83) < 0.01	1.88 (1.18, 3.02) < 0.01
BMI								0.045
< 24	1	0.66 (0.31, 1.42) 0.289	1.30 (0.66, 2.57) 0.44	1.44 (0.72, 2.88) 0.30	3.83 (2.14, 6.87) < 0.01	2.95 (1.94, 4.50) < 0.001	3.25 (2.01, 5.25) < 0.01
≥24	1	1.03 (0.50, 2.08) 0.95	1.50 (0.79, 2.83) 0.22	1.55 (0.83, 2.88) 0.17	1.90 (1.05, 3.45) 0.03	1.72 (1.25, 2.35) < 0.01	1.68 (1.15, 2.45) < 0.01