Table 2.

Linear regression analysis for the correction between serum Metrnl levels and thyroid function parameters

	Model 1		Model 2		Model 3
Variables	Standardized β (95% CI)	P	Standardized β (95% CI)	P	Standardized β (95% CI)	P
FT3	0.407 (0.275, 0.539)	< 0.001	0.332 (0.199, 0.465)	< 0.001	0.324 (0.140, 0.508)	0.001
FT4	0.406 (0.274, 0.538)	< 0.001	0.324 (0.189, 0.459)	< 0.001	0.293 (0.117, 0.468)	0.001
TSH	-0.363 (-0.498, -0.229)	< 0.001	-0.303 (-0.436, -0.169)	< 0.001	-0.234 (-0.400, -0.070)	0.006

Metrnl was log transformed for analysis. Bold indicates P value < 0.05. Model 1: unadjusted; Model 2: adjusted for age, sex, and BMI; Model 3: adjusted for sex, age, BMI, LDL-C, TG, HOMA-IR, and eGFR