TABLE 6.

The result of the two-piecewise Cox regression model.

Incident NAFLD	HR, 95% CI P
Fitting model by standard Cox regression	1.014 (1.011, 1.017) < 0.001
Fitting model by two-piecewise Cox regression
Inflection point of GGT/HDL-c ratio	20.35
≤ 20.35	1.113 (1.096, 1.130) < 0.001
> 20.35	1.003 (1.000, 1.007) 0.0401
P for log-likelihood ratio test	< 0.001

HR, Hazard ratios; CI, confidence; Ref, reference. we adjusted age, sex, SBP, BMI, DBP, ALT, ALP, ALB, TBIL, GLB, UA, FBG, TG, Scr, and LDL-c.