. 2020 Mar 23;50(8):695–705. doi: 10.4070/kcj.2019.0379

Table 1. Baseline characteristics and laboratory findings according to FLI quartiles.

			FLI quartile				p value	p for trend	p value between groups
			Q1	Q2	Q3	Q4	p value	p for trend	p value between groups
Baseline characteristics
	Age (years)		37.0±11.6	42.3±12.5	44.4±12.6	43.4±11.5	<0.001	<0.001	^*^, ^†^, ^‡^, ^§^, ^∥^, ^¶
	Male (sex)		12,831 (15.4)	32,489 (38.9)	49,372 (59.1)	66,646 (79.7)	<0.001	<0.001	^*^, ^†^, ^‡^, ^§^, ^∥^, ^¶
	Height (cm)		161.3±7.1	163.2±8.9	165.3±9.4	168.5±8.5	<0.001	<0.001	^*^, ^†^, ^‡^, ^§^, ^∥^, ^¶
	Weight (kg)		52.1±6.1	58.9±7.3	65.2±8.3	74.8±10.4	<0.001	<0.001	^*^, ^†^, ^‡^, ^§^, ^∥^, ^¶
	BMI (kg/m²)		20.0±1.8	22.1±1.8	23.8±2.1	26.3±2.8	<0.001	<0.001	^*^, ^†^, ^‡^, ^§^, ^∥^, ^¶
	Waist circumference (cm)		67.9±4.9	74.9±4.8	80.5±5.1	87.6±6.5	<0.001	<0.001	^*^, ^†^, ^‡^, ^§^, ^∥^, ^¶
	SBP (mmHg)		110.9±11.1	115.4±11.1	118.6±10.6	121.8±10.0	<0.001	<0.001	^*^, ^†^, ^‡^, ^§^, ^∥^, ^¶
	DBP (mmHg)		69.4±7.9	71.9±8.0	73.9±7.6	76.3±7.1	<0.001	<0.001	^*^, ^†^, ^‡^, ^§^, ^∥^, ^¶
	Smoking						<0.001	<0.001	^*^, ^†^, ^‡^, ^§^, ^∥^, ^¶
		Non-smoker	70,753 (84.7)	58,768 (70.3)	47,115 (56.4)	31,578 (37.8)
		Ex-smoker	3,928 (4.7)	7,261 (8.7)	11,548 (13.8)	15,162 (18.1)
		Current smoker	8,877 (10.6)	17,547 (21.0)	24,908 (29.8)	36,835 (44.1)
	Alcohol consumption
		Amount (g/wk)	31.1±76.6	48.3±101.0	71.6±127.9	120.0±173.0	<0.001	<0.001	^*^, ^†^, ^‡^, ^§^, ^∥^, ^¶
		Activity (met-min/wk)	346.2±351.5	379.2±383.3	388.0±389.0	373.8±374.9	<0.001	<0.001	^*^, ^†^, ^‡^, ^§^, ^∥^, ^¶
Laboratory findings
	Hemoglobin (g/dL)		13.0±1.4	13.5±1.6	14.1±1.6	14.8±1.4	<0.001	<0.001	^*^, ^†^, ^‡^, ^§^, ^∥^, ^¶
	Fasting glucose (mg/dL)		87.9±9.5	90.3±10.2	92.2±10.8	94.8±11.4	<0.001	<0.001	^*^, ^†^, ^‡^, ^§^, ^∥^, ^¶
	Total cholesterol (mg/dL)		177.0±34.0	187.3±35.8	196.5±39.1	207.0±40.3	<0.001	<0.001	^*^, ^†^, ^‡^, ^§^, ^∥^, ^¶
	Triglyceride (mg/dL)		62.7±22.6	88.2±34.0	119.9±53.5	196.7±130.7	<0.001	<0.001	^*^, ^†^, ^‡^, ^§^, ^∥^, ^¶
	HDL cholesterol (mg/dL)		64.1±24.4	59.3±20.0	55.6±26.1	51.7±32.0	<0.001	<0.001	^*^, ^†^, ^‡^, ^§^, ^∥^, ^¶
	LDL cholesterol (mg/dL)		109.0±247.6	113.7±141.8	121.2±129.3	122.5±124.7	<0.001	<0.001	^*^, ^†^, ^‡^, ^§^, ^∥
	Creatinine (mg/dL)		0.9±1.0	1.0±1.1	1.0±1.2	1.1±1.2	<0.001	<0.001	^*^, ^†^, ^‡^, ^§^, ^∥^, ^¶
	GFR (mL/min/1.73m²)		90.1±28.1	90.0±28.3	92.2±28.9	99.3±30.6	<0.001	<0.001	^†^, ^‡^, ^§^, ^∥^, ^¶
	GGT (U/L)		14.2±5.6	19.1±9.9	27.9±20.3	59.7±61.8	<0.001	<0.001	^*^, ^†^, ^‡^, ^§^, ^∥^, ^¶

Data are shown as mean±standard deviation or number (%).

BMI = body mass index; DBP = diastolic blood pressure; FLI = fatty liver index; GFR = glomerular filtration rate; GGT = gamma-glutamyl transferase; HDL = high-density lipoprotein; LDL = low-density lipoprotein; SBP = systolic blood pressure.

^*p value less than <0.05 between Q1 and Q2; ^†p value less than <0.05 between Q1 and Q3; ^‡p value less than <0.05 between Q1 and Q4; ^§p value less than <0.05 between Q2 and Q3; ^∥p value less than <0.05 between Q2 and Q4; ^¶p value less than <0.05 between Q3 and Q4.