Dose-Response Associations of Metabolic Score for Insulin Resistance Index with Nonalcoholic Fatty Liver Disease among a Nonobese Chinese Population: Retrospective Evidence from a Population-Based Cohort Study

Table 1

Characteristics of research subjects.

Variable	METS-IR categories
	Q1 (18.88-27.66)	Q2 (27.66-30.93)	Q3 (30.94-34.33)	Q4 (34.33-67.05)	value
	2683	2682	2682	2683
Age (years)					<0.001
Sex					<0.001
Women	1331 (49.61%)	1225 (45.67%)	1172 (43.70%)	1111 (41.41%)
Men	1352 (50.39%)	1457 (54.33%)	1510 (56.30%)	1572 (58.59%)
BMI (kg/m^2)					<0.001
SBP (mmHg)					<0.001
DBP (mmHg)					<0.001
TC (mmol/L)					<0.001
TG (mmol/L)	0.83 (0.68-1.05)	1.03 (0.82-1.30)	1.26 (0.99-1.61)	1.87 (1.38-2.55)	<0.001
HDL-C (mmol/L)					<0.001
FPG (mmol/L)					<0.001
LDL-C (mmol/L)					<0.001
ALP (U/L)					<0.001
GLB (g/L)					<0.001
GGT (U/L)	18.00 (14.00-23.00)	20.00 (16.00-27.00)	23.00 (18.00-33.00)	29.00 (21.00-44.00)	<0.001
ALB (g/L)					0.856
ALT (U/L)	13.00 (11.00-18.00)	15.00 (12.00-20.00)	18.00 (13.00-24.00)	21.00 (15.00-28.00)	<0.001
AST (U/L)	20.00 (17.00-23.00)	21.00 (18.00-25.00)	22.00 (19.00-26.00)	23.00 (20.00-27.00)	<0.001
TP (g/L)					<0.001
BUN (mmol/L)					<0.001
Cr (μmol/L)					<0.001
UA (mmol/L)					<0.001

Variables are presented as the or (%) or median (Q1, Q3). Abbreviations: METS-IR: metabolic score for insulin resistance; SBP: systolic blood pressure; BMI: body mass index; DBP: diastolic blood pressure; TC: total cholesterol; FPG: fasting plasma glucose; HDL-C: high-density lipoprotein cholesterol; TG: triglyceride; LDL-C: low-density lipoprotein cholesterol; AST: aspartate aminotransferase; TP: total protein; ALP: alkaline phosphatase; GLB: globulin; ALB: albumin; Cr: creatinine; BUN: blood urea nitrogen; UA: uric acid; NAFLD: nonalcoholic fatty liver disease.