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Table 3 Threshold effect analysis for association of WWI with NAFLD and liver fibrosis

From: Association of weight-adjusted-waist index with non-alcoholic fatty liver disease and liver fibrosis: a cross-sectional study based on NHANES

Outcomes

NAFLD

Liver fibrosis

Model 1, β (95% CI)

  

 Linear effect model

3.44 (3.09, 3.82)

2.40 (2.05, 2.79)

Model 2, β (95% CI)

  

 Inflection point (K)

11.44

10.56

  < K

5.93 (5.04, 6.98)

1.80 (1.06, 3.07)

  > K

1.55 (1.28, 1.88)

2.51 (2.10, 2.99)

LLR

 < 0.001

0.291