Table 2.

Association between ALT/AST ratio and NAFLD in different models

	Crude Model	Model I	Model II	Model III	Model IV
	HRs (95%CI)	aHRs (95%CI)	aHRs (95%CI)	aHRs (95%CI)	aHRs (95%CI)
ALT/AST ratio	2.58 (2.44, 2.72)	2.61 (2.48, 2.76)	2.21 (1.97, 2.48)	2.11 (1.88, 2.36)	2.10 (1.88, 2.36)
ALT/AST ratio (Quintile)
Quintile 1	Ref	Ref	Ref	Ref	Ref
Quintile 2	2.00 (1.62, 2.47)	2.01 (1.63, 2.48)	1.66 (1.33, 2.08)	1.63 (1.30, 2.04)	1.63 (1.30, 2.04)
Quintile 3	3.01 (2.47, 3.67)	3.04 (2.49, 3.72)	2.24 (1.82, 2.76)	2.06 (1.64, 2.60)	2.07 (1.65, 2.60)
Quintile 4	4.82 (3.99, 5.81)	4.90 (4.07, 5.90)	2.99 (2.46, 3.65)	2.86 (2.33, 3.50)	2.84 (2.33, 3.48)
Quintile 5	7.81 (6.52, 9.36)	7.97 (6.65, 9.55)	3.81 (3.14, 4.62)	3.51 (2.82, 4.37)	3.49 (2.78, 4.39)
P for trend	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001

Crude model adjusted for none

Model I adjusted for sex and age

Model II adjusted for sex, age, GGT, DBIL, TG, HDL-C and BMI

Model III adjusted for sex, age, ALP, GGT, GLB, TB, DBIL, BUN, CR, UA, FPG, TG, HDL-C, Height, BMI, SBP and DBP

Model IV adjusted for sex, age, GGT, ALB, GLB, TB, DBIL, SBP, DBP, ALP, BUN, CR, UA, FPG, TG, HDL-C, LDL-C, Height and BMI

Abbreviations: CI confidence interval, aHRs adjusted hazard ratios; other abbreviations as in Table 1