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Table 3 Mediation analyses of TyG, TG, and RC for independent variable hypothyroidism

From: Associations between indicators of lipid and glucose metabolism and hypothyroidism

Implicit variable

Mediator

Total effect

Indirect effect

Direct effect

Proportion mediated, % (95% CI)

Coefficient (95% CI)

P value

Coefficient (95% CI)

P value

Coefficient (95% CI)

P value

Cardiovascular disease

TyG

0.063 (0.031, 0.105)

< 0.001

0.011 (0.007, 0.016)

< 0.001

0.052 (0.019, 0.093)

< 0.001

17.2 (9.0, 39.2)

TG

0.062 (0.030, 0.104)

< 0.001

0.006 (0.003, 0.011)

< 0.001

0.056 (0.023, 0.099)

< 0.001

10.0 (4.3, 22.4)

RC

0.062 (0.030, 0.104)

< 0.001

0.006 (0.003, 0.011)

< 0.001

0.056 (0.023, 0.099)

< 0.001

9.9 (4.2, 22.0)

Hypertension

TyG

0.165 (0.105, 0.216)

< 0.001

0.032 (0.021, 0.045)

< 0.001

0.132 (0.078, 0.181)

< 0.001

19.6 (13.3, 30.3)

TG

0.165 (0.105, 0.217)

< 0.001

0.020 (0.012, 0.031)

< 0.001

0.145 (0.087, 0.195)

< 0.001

12.0 (7.3, 20.9)

RC

0.165 (0.105, 0.217)

< 0.001

0.020 (0.012, 0.031)

< 0.001

0.145 (0.087, 0.196)

< 0.001

11.9 (7.2, 20.8)

Diabetes mellitus

TyG

0.070 (0.027, 0.118)

< 0.001

0.040 (0.028, 0.057)

< 0.001

0.030 (-0.009, 0.072)

0.120

57.1 (35.7, 130.9)

TG

0.064 (0.019, 0.115)

< 0.001

0.017 (0.010, 0.025)

< 0.001

0.048 (0.003, 0.098)

0.040

26.0 (13.2, 83.8)

RC

0.064 (0.019, 0.115)

< 0.001

0.017 (0.010, 0.025)

< 0.001

0.048 (0.003, 0.098)

0.040

25.7 (13.1, 82.9)

  1. TyG triglyceride-glucose index, TG triglyceride, RC remnant cholesterol, CI confidence interval