Table 3.

Subgroup analysis between indictors and fatty liver disease in psoriasis patients.

Subgroup	TyG	P value	P for interaction	TyG-BMI	P value	P for interaction
Gender			0.211			0.523
Male	2.077 (1.578-2.770)	<0.001		1.025 (1.015-1.037)	<0.001
Female	2.373 (1.347-4.381)	0.004		1.022 (1.017-1.027)	<0.001
Age (years)			0.012			0.176
<45	2.800 (1.817-4.496)	<0.001		1.025 (1.017-1.033)	<0.001
≥45	1.930 (1.417-2.657)	<0.001		1.021 (1.015-1.027)	<0.001
Family history of psoriasis			0.234			0.453
No	2.290 (1.677-3.079)	<0.001		1.022 (1.017-1.028)	<0.001
Yes	1.790 (1.056-3.149)	0.035		1.025 (1.014-1.038)	<0.001
Smoking			0.031			0.026
Never	2.348 (1.326-3.356)	<0.001		1.021 (1.015-1.027)	<0.001
Past or current	1.979 (1.370-2.919)	<0.001		1.027 (1.019-1.036)	<0.001
Drinking			0.735			0.943
Never	1.856 (1.406-2.479)	<0.001		1.021 (1.016-1.026)	<0.001
Past or current	3.530 (2.063-6.395)	<0.001		1.030 (1.019-1.043)	<0.001
Type 2 diabetes mellitus			0.492			0.794
No	2.444 (1.819-3.330)	<0.001		1.026 (1.020-1.031)	<0.001
Yes	1.531 (0.899-2.682)	0.124		1.009 (0.999-1.020)	0.084
Hypertension			0.050			0.184
No	2.397 (1.740-3.359)	<0.001		1.027 (1.021-1.033)	<0.001
Yes	1.658 (1.113-2.521)	0.015		1.014 (1.006-1.022)	<0.001
BMI (kg/m²)			<0.001			0.971
<24	2.100 (1.396-3.262)	0.001		1.026 (1.014-1.039)	<0.001
≥24	1.804 (1.303-2.534)	0.001		1.020 (1.012-1.027)	<0.001
PSA			0.347			0.892
No	2.213 (1.676-2.964)	<0.001		1.023 (1.017-1.028)	<0.001
Yes	2.003 (1.150-3.613)	0.017		1.023 (1.013-1.035)	<0.001
Triglyceride a			0.010			0.076
Normal	1.835 (1.204-2.832)	0.005		1.024 (1.018-1.031)	<0.001
Borderline	0.954 (0.395-2.300)	0.916		1.011 (1.002-1.022)	0.026
HTG	1.293 (0.699-2.576)	0.435		1.019 (1.007-1.024)	0.004

BMI, body mass index; PSA, psoriatic arthritis; TyG, triglyceride-glucose; TyG-BMI, triglyceride glucose-body mass index; HTG, hypertriglyceridemia.

^aFasting plasma triglyceride concentrations were categorized as normal (<150 mg/dL), borderline (150-199 mg/dL), high triglyceride (HTG>200 mg/dL).