Table 1 Baseline information of the total subjects

Age (years)

 < 35

706 (25.2%)

917 (33.0%)

1623 (29.1%)

 35 ≤ age < 45

772 (27.5%)

645 (23.2%)

1417 (25.4%)

 45 ≤ age < 55

704 (25.1%)

580 (20.9%)

1284 (23.0%)

 > 55

623 (22.2%)

639 (23.0%)

1262 (22.6%)

BMI (kg/m²)

25.4 [23.3, 27.6]

22.5 [20.4, 25.0]

24.1 [21.6, 26.6]

Hypertension (n,%)

578 (20.6%)

356 (12.8%)

934 (16.7%)

Hyperlipidemia (n,%)

1737 (61.9%)

1278 (46.0%)

3015 (54.0%)

Hyperuricemia (n,%)

1015 (36.2%)

78 (2.8%)

1093 (19.6%)

NAFLD (n,%)

1199 (42.7%)

499 (17.9%)

1698 (30.4%)

AST(U/L)

22 [20, 27]

20 [17, 23]

21 [18, 25]

ALT(U/L)

24 [18, 34]

15 [12, 20]

19 [14, 28]

eGFR (mL/min/1.73m²)

 ≥ 90

2477 (88.3%)

2576 (92.6%)

5053 (90.5%)

 60 ≤ eGFR < 90

328 (11.7%)

205 (7.4%)

533 (9.5%)

TC (mmol/L)

5.01 (0.91)

4.99 (0.96)

5.00 (0.93)

TC ≥ 5.2 mmol/L (n,%)

1099 (39.2%)

1050 (37.8%)

2149 (38.5%)

TG (mmol/L)

1.43 [1.02, 2.06]

1.03 [0.78, 1.43]

1.20 [0.87, 1.76]

TG ≥ 1.7 mmol/L (n,%)

1076 (38.4%)

459 (16.5%)

1535 (27.5%)

LDL-C(mmol/L)

3.12 (0.83)

2.90 (0.87)

3.01 (0.86)

LDL-C ≥ 3.4 mmol/L (n,%)

1002 (35.7%)

716 (25.7%)

1718 (30.8%)

HDL-C(mmol/L)

1.17 [1.00, 1.34]

1.50 [1.23, 1.70]

1.30 [1.10, 1.57]

HDL-C < 1.0 mmol/L (n,%)

495 (17.6%)

103 (3.7%)

598 (10.7%)

FBG (mmol/L)

4.93 (0.58)

4.78 (0.52)

4.85 (0.55)

Fasting insulin(μIU/mL)

8.20 [5.60, 11.50]

7.30 [5.30, 10.20]

7.70 [5.50, 10.80]

FFA (mmol/L)

0.46 [0.36, 0.59]

0.53 [0.40, 0.67]

0.50 [0.38, 0.63]

Adipo-IR (μIU/mL*mmol/L)

3.77 [2.36, 5.89]

3.80 [2.48, 5.76]

3.78 [2.43, 5.84]