Association between serum uric acid-to-creatinine ratio and non-alcoholic fatty liver disease: a cross-sectional study in Chinese non-obese people with a normal range of low-density lipoprotein cholesterol

Table 5 The result of the two-piecewise logistic regression model

	Model I (OR,95%CI, P)	Model II (OR,95%CI, P)	Model III (OR,95%CI, P)
Fitting model by standard logistic regression	1.424 (1.396, 1.454) < 0.0001	1.428 (1.399, 1.458) < 0.0001	1.278 (1.121, 1.456) 0.0002
Fitting model by two-piecewise logistic regression
Inflection point of SUA/Scr	4.43	4.425	2.685
≤ Inflection point	1.535 (1.490, 1.582) < 0.0001	1.551 (1.504, 1.599) < 0.0001	0.967 (0.700, 1.336) 0.8403
> Inflection point	1.242 (1.187, 1.299) < 0.0001	1.234 (1.179, 1.291) < 0.0001	1.417 (1.194, 1.681) < 0.0001
P for the log-likelihood ratio test	< 0.001	< 0.001	0.070

Model I: All participants; Model II: Participants with eGFR ≥ 60 ml/min/1.73m²; Model III: Participants with eGFR < 60 ml/min/1.73m²
OR odds ratios; CI confidence, Ref reference; UA/Scr serum uric acid-to-creatinine ratio
We adjusted age, sex, BMI, ALT, eGFR, AST, GGT, ALB, GLB, DBIL, BUN, FBG, TG, TB, HDL-c, LDL-c