Table 1.
Baseline characteristic of the participants included in the analysis according to AIP quartiles.
| Variables | AIP | P value | |||
|---|---|---|---|---|---|
| Q1 | Q2 | Q3 | Q4 | ||
| N | 4043 | 4043 | 4043 | 4044 | |
| AIP, mean ± SD | -0.42 ± 0.10 | -0.21 ± 0.05 | -0.03 ± 0.06 | 0.27 ± 0.18 | <0.001 |
| Female, n (%) | 2094 (51.79%) | 1993 (49.30%) | 1877 (46.43%) | 1726 (42.68%) | <0.001 |
| BMI (Kg/m2), mean ± SD | 20.46 ± 1.94 | 21.06 ± 2.00 | 21.58 ± 1.97 | 22.43 ± 1.75 | <0.001 |
| Age, mean ± SD | 42.43 ± 14.72 | 42.66 ± 14.83 | 43.57 ± 14.98 | 44.25 ± 15.24 | <0.001 |
| SBP (mm Hg), mean ± SD | 115.64 ± 15.77 | 118.95 ± 16.45 | 122.06 ± 16.35 | 126.26 ± 16.43 | <0.001 |
| DBP (mm Hg), mean ± SD | 69.71 ± 9.61 | 71.73 ± 9.95 | 73.39 ± 10.23 | 76.40 ± 10.43 | <0.001 |
| ALT(U/L), median (Q1-Q3) | 14.00 (11.00-18.00) | 15.00 (12.00-21.00) | 17.00 (13.00-23.00) | 20.00 (15.00-28.00) | <0.001 |
| AST(U/L), median (Q1-Q3) | 20.00 (17.00-24.00) | 21.00 (18.00-25.00) | 21.00 (18.00-25.00) | 23.00 (20.00-27.00) | <0.001 |
| ALP(U/L), mean ± SD | 64.98 ± 20.71 | 70.39 ± 25.11 | 74.21 ± 23.67 | 77.90 ± 21.21 | <0.001 |
| GGT(U/L), median (Q1-Q3) | 17.00 (14.00-22.00) | 19.00 (15.00-26.00) | 22.00 (17.00-32.00) | 29.00 (21.00-44.50) | <0.001 |
| CR (umol/L), median (Q1-Q3) | 69.00 (61.00-79.00) | 75.00 (63.00-88.00) | 79.00 (66.00-93.00) | 84.00 (71.00-96.00) | <0.001 |
| UA (umol/L), median (Q1-Q3) | 227.00 (189.00-276.00) | 250.00 (205.00-310.00) | 285.00 (232.00-342.00) | 325.00 (267.00-384.00) | <0.001 |
| TC (mmol/L), mean ± SD | 4.57 ± 0.74 | 4.56 ± 0.72 | 4.62 ± 0.72 | 4.75 ± 0.78 | <0.001 |
| TG (mmol/L), median (Q1-Q3) | 0.68 (0.58-0.78) | 0.94 (0.83-1.07) | 1.24 (1.09-1.42) | 1.98 (1.63-2.53) | <0.001 |
| HDL-C (mmol/L), mean ± SD | 1.81 ± 0.33 | 1.54 ± 0.28 | 1.36 ± 0.25 | 1.14 ± 0.21 | <0.001 |
| LDL-C (mmol/L), mean ± SD | 2.11 ± 0.46 | 2.23 ± 0.46 | 2.34 ± 0.45 | 2.37 ± 0.45 | <0.001 |
| Fasting glucose (mmol/L), mean ± SD | 4.99 ± 0.63 | 5.10 ± 0.73 | 5.17 ± 0.78 | 5.32 ± 0.92 | <0.001 |
| NAFLD | 117 (2.89%) | 315 (7.79%) | 550 (13.60%) | 1340 (33.14%) | <0.001 |
AIP, atherogenic index of plasma; BMI, body mass index (BMI);SBP, systolic blood pressure; DBP, diastolic blood pressure; ALP, alkaline phosphatase; GGT, gamma glutamyl transferase; ALT, alanine aminotransferase; AST, aspartate aminotransferase; CR, serum creatinine; UA, uric acid; TC, total cholesterol; TG, total triglycerides; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol.