Table 1.
Baseline characteristics of 9756 participants.
| Characteristics | All participants | Cr/BW ratio | P value | |
|---|---|---|---|---|
| Low (≤1.32) | High (>1.32) | |||
| Number (%) | 9756 | 4854 (50) | 4902 (50) | — |
| Age (years) | 42.38 ± 14.66 | 41.76 ± 14.14 | 43.00 ± 15.13 | <0.001 |
| Male, N (%) | 5011 (51.4) | 2382 (49.1) | 2629 (53.6) | <0.001 |
| BMI (kg/m2) | 21.02 ± 2.04 | 21.48 ± 1.90 | 20.57 ± 2.08 | <0.001 |
| Body weight (kg) | 56.81 ± 8.30 | 57.82 ± 8.21 | 55.81 ± 8.26 | <0.001 |
| SBP (mmHg) | 117.86 ± 15.88 | 116.93 ± 15.01 | 118.79 ± 16.64 | <0.001 |
| DBP (mmHg) | 71.25 ± 9.94 | 70.96 ± 9.73 | 71.53 ± 10.14 | 0.004 |
| ALP (U/L) | 69.79 ± 21.78 | 67.27 ± 22.10 | 71.70 ± 21.33 | <0.001 |
| GGT (U/L) | 19.00 (15.00-27.00) | 18.00 (15.00-25.00) | 20.00 (16.00-28.00) | <0.001 |
| ALT (U/L) | 15.00 (12.00-21.00) | 15.00 (11.00-21.00) | 15.00 (12.00-21.00) | 0.170 |
| AST (U/L) | 22.19 ± 9.02 | 21.42 ± 8.37 | 22.78 ± 9.45 | <0.001 |
| ALB (g/L) | 44.32 ± 2.71 | 44.24 ± 2.64 | 44.40 ± 2.78 | 0.006 |
| GLB (g/L) | 29.44 ± 3.85 | 29.48 ± 3.69 | 29.40 ± 4.00 | 0.300 |
| TB (μmol/L) | 12.18 ± 4.92 | 11.68 ± 4.76 | 12.66 ± 5.02 | <0.001 |
| BUN (mmol/L) | 4.43 ± 1.23 | 4.24 ± 1.14 | 4.61 ± 1.28 | <0.001 |
| Cr (mmol/L) | 76.00 ± 17.16 | 65.60 ± 12.00 | 85.26 ± 15.21 | <0.001 |
| UA (μmol/L) | 262.84 ± 78.72 | 244.22 ± 71.10 | 281.28 ± 81.52 | <0.001 |
| FPG (mmol/L) | 5.07 ± 0.70 | 5.03 ± 0.70 | 5.10 ± 0.69 | <0.001 |
| TC (mmol/L) | 4.34 ± 0.53 | 4.35 ± 0.52 | 4.33 ± 0.54 | 0.012 |
| TG (mmol/L) | 0.97 ± 0.31 | 0.94 ± 0.31 | 0.99 ± 0.30 | <0.001 |
| HDL-C (mmol/L) | 1.51 ± 0.30 | 1.50 ± 0.30 | 1.53 ± 0.30 | <0.001 |
| LDL-C (mmol/L) | 2.12 ± 0.41 | 2.11 ± 0.40 | 2.12 ± 0.43 | 0.113 |
| NAFLD (%) | 844 (8.7) | 478 (9.8) | 366 (7.5) | <0.001 |
Note: continuous variables were presented as mean ± standard deviation or median (interquartile range), and categorical variables were presented as number (percentage). Abbreviations: Cr/BW = serum creatinine/body weight; BMI = body mass index; SBP = systolic blood pressure; DBP = diastolic blood pressure; ALP = alkaline phosphatase; GGT = gamma-glutamyl transpeptidase; ALT = alanine aminotransferase; AST = aspartate aminotransferase; ALB = albumin; GLB = globulin; TB = total bilirubin; BUN = blood urea nitrogen; Cr = serum creatinine; UA = uric acid; FPG = fasting plasma glucose; TC = total cholesterol; TG = triglyceride; HDL-C = high-density lipoprotein cholesterol; LDL-C = low-density lipoprotein cholesterol; NAFLD = nonalcoholic fatty liver disease.