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Table 1 Baseline characteristics of subjects according to the fatty liver index (FLI) quartiles

From: Fatty liver index and development of cardiovascular disease in Koreans without pre-existing myocardial infarction and ischemic stroke: a large population-based study

 TotalFLI (Q1)FLI (Q2)FLI (Q3)FLI (Q4)
N3,011,588753,155753,007752,868752,528
FLI cutoff value ≤ 8.498.5–18.6718.68–37.08≥ 37.09
Age (years)51.86 ± 8.2049.09 ± 7.3852.20 ± 8.0253.35 ± 8.1352.81 ± 8.15
Body mass index (kg/m2)23.82 ± 2.9121.05 ± 1.7423.03 ± 1.7524.51 ± 1.9226.69 ± 2.64
Sex (male)1,290,580 (42.9%)137,010 (18.3%)265,501 (35.3%)380,022 (50.5%)507,975 (67.5%)
Systolic blood pressure122.26 ± 12.63116.00 ± 11.76121.00 ± 11.99124.33 ± 11.88127.73 ± 11.82
Diastolic blood pressure76.20 ± 8.2772.36 ± 7.8675.30 ± 7.8677.37 ± 7.7579.77 ± 7.77
Fasting glucose98.10 ± 20.1991.77 ± 12.9695.65 ± 16.8199.37 ± 20.14105.63 ± 25.88
Total cholesterol199.61 ± 33.64189.32 ± 30.56198.30 ± 31.92202.87 ± 33.59207.94 ± 35.46
Triglyceride111 (80.67, 156)72.67 (58.67, 90)77.5 (80, 124)127 (101,161)177 (135.5, 236.5)
HDL cholesterol55.56 ± 20.9261.72 ± 17.7556.80 ± 18.7953.38 ± 21.0050.32 ± 23.87
LDL cholesterol119.49 ± 31.68112.75 ± 28.76121.28 ± 30.31123.59 ± 31.56120.36 ± 34.76
Estimated GFR (mL/min/1.73 m2)81.28 ± 23.2874.53 ± 19.8778.34 ± 21.4682.08 ± 22.6690.16 ± 25.80
Income (lower 25%)843,511 (28%)239,447 (31.8%)217,221 (28.9%)198,702 (26.4%)188,141 (25.0%)
Current smoker553,254 (18.4%)64,933 (8.6%)109,309 (14.5%)153,046 (20.3%)225,966 (30.0%)
Regular exercise (%)1,668,750 (55.4%)403,498 (53.6%)420,508 (55.8%)424,181 (56.3%)420,563 (55.9%)
Hypertension (%)1,086,672 (36.1%)150,088 (19.9%)240,205 (31.9%)311,619 (41.4%)384,760 (51.1%)
Diabetes mellitus (%)236,874 (7.9%)17,827 (2.4%)40,090 (5.3%)67,422 (9.0%)111,535 (14.8%)
Use of medication for dyslipidemia (%)89,704 (3.0%)8,293 (1.1%)18,668 (2.5%)27,105 (3.6%)35,637 (4.7%)
  1. Data are expressed as the mean ± SD, median (25–75%), or n (%)
  2. FLI fatty liver index, HDL high-density lipoprotein, LDL low-density lipoprotein
  3. *p-values for the trend were < 0.0001 for all variables except regular exercise