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Table 4 Sex-specific threshold effect analysis for the relationship between SUA and TG levels stratified by BMI SDS

From: Association between serum uric acid and triglycerides in Chinese children and adolescents with short stature

Models

Male

Female

BMI SDS < 0

BMI SDS ≥ 0

BMI SDS < 0

BMI SDS ≥ 0

β (95% CI)

P value

β (95% CI)

P value

β (95% CI)

P value

β (95% CI)

P value

Model I

 One line slope

0.01 (−0.02, 0.05) 0.4632

0.07 (0.04, 0.11) < 0.001

0.01 (−0.04, 0.04) 0.996

0.02 (− 0.03, 0.07) 0.515

 Adjusted R2

15.85%

15.83%

4.98%

6.42%

Model II

 Turning point (K)

7.25

6.71

6.37

3.93

  < K slope 1

0.03 (−0.01, 0.08) 0.948

0.04 (−0.01, 0.08) 0.088

0.02 (− 0.03, 0.07) 0.341

−0.15 (− 0.32, 0.02) 0.084

  > K slope 2

0.16 (− 0.02, 0.35) 0.081

0.21 (0.11, 0.31) < 0.001

− 0.20 (− 0.53, 0.13) 0.228

0.10 (0.03, 0.17) 0.005

 Adjusted R2

16.76%

16.70%

5.64%

7.91%

 LRT test

0.204

0.007

0.196

0.019

  1. Model I, linear analysis; Model II, non-linear analysis. LRT test, Logarithmic likelihood ratio test. (P < 0.05 means Model II is significantly different from Model I, which indicates a non-linear relationship); Adjustment variables: age, TC, and pubertal stage. SUA Serum uric acid, TG Triglyceride, TC Total cholesterol, BMI SDS Body mass index standard deviation scores; P < 0.05 is considered to be statistically significant
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Lipids in Health and Disease

ISSN: 1476-511X