Table 1.
Baseline characteristics of the study population.
| Characteristics | Total (n = 307) | Serum uric acid level | p value | |
|---|---|---|---|---|
| Normouricemia (n = 182) | Hyperuricemia (n = 125) | |||
| Altitude, meter | 3739.2 ± 501.4 | 3721.8 ± 490.4 | 3764.5 ± 518.0 | 0.465 |
| Age, year | 43.0 ± 12.2 | 41.9 ± 11.9 | 44.5 ± 12.7 | 0.064 |
| SBP, mmHg | 116.8 ± 16.3 | 113.7 ± 14.5 | 121.3 ± 17.7 | < 0.001 |
| DBP, mmHg | 71.1 ± 11.1 | 68.8 ± 10.6 | 74.5 ± 11.0 | < 0.001 |
| WC, cm | 85.4 ± 11.0 | 82.2 ± 10.1 | 90.0 ± 10.6 | < 0.001 |
| TG, mmol/L | 1.3 ± 0.6 | 1.1 ± 0.5 | 1.5 ± 0.6 | < 0.001 |
| HDL-C, mmol/L | 1.1 ± 0.2 | 1.1 ± 0.2 | 1.0 ± 0.2 | 0.014 |
| FPG, mmol/L | 4.9 ± 1.1 | 4.7 ± 0.7 | 5.1 ± 1.4 | 0.005 |
| BMI, kg/m2 | 25.1 ± 3.9 | 24.3 ± 3.5 | 26.4 ± 4.2 | < 0.001 |
| WBC, × 109/L | 5.6 ± 1.4 | 5.5 ± 1.5 | 5.6 ± 1.3 | 0.634 |
| Cholesterol, mmol/L | 4.6 ± 0.9 | 4.5 ± 0.9 | 4.8 ± 0.9 | 0.02 |
| LDL-C, mmol/L | 3.0 ± 0.7 | 2.9 ± 0.7 | 3.1 ± 0.7 | 0.118 |
| eGFR, ml/(min*1.73m2) | 114.0 ± 20.7 | 115.9 ± 21.8 | 111.3 ± 18.7 | 0.052 |
| Mononuclear cells, × 109/L | 0.4 (0.3, 0.5) | 0.4 (0.3, 0.5) | 0.4 (0.3, 0.5) | 0.123 |
| LYMPH, × 109/L | 1.8 ± 0.5 | 1.7 ± 0.5 | 1.8 ± 0.6 | 0.052 |
| ALT, U/L | 29.0 (20.0, 45.0) | 26.0 (18.0, 39.0) | 36.0 (24.0, 49.0) | < 0.001 |
| AST, U/L | 21.0 (17.0, 27.5) | 20.0 (16.0, 27.0) | 23.0 (19.0, 28.0) | 0.015 |
| Albumin, g/L | 43.6 ± 3.5 | 43.4 ± 3.4 | 43.9 ± 3.6 | 0.271 |
| Sex, n (%) | < 0.001 | |||
| male | 149 (48.5) | 69 (37.9) | 80 (64) | |
| female | 158 (51.5) | 113 (62.1) | 45 (36) | |
| Alcohol consumption, n (%) | 0.003 | |||
| No | 138 (45.0) | 95 (52.2) | 43 (34.4) | |
| Yes | 169 (55.0) | 87 (47.8) | 82 (65.6) | |
| Smoke, n (%) | 0.109 | |||
| No | 218 (71.0) | 136 (74.7) | 82 (65.6) | |
| Yes | 89 (29.0) | 46 (25.3) | 43 (34.4) | |
| T2DM, n (%) | 0.125 | |||
| No | 300 (97.7) | 180 (98.9) | 120 (96) | |
| Yes | 7 (2.3) | 2 (1.1) | 5 (4) | |
| Hypertensive, n (%) | 0.021 | |||
| No | 268 (87.3) | 166 (91.2) | 102 (81.6) | |
| Yes | 39 (12.7) | 16 (8.8) | 23 (18.4) | |
| Educationlevel4, n (%) | 0.649 | |||
| Primary school or less | 47 (15.3) | 24 (13.2) | 23 (18.4) | |
| Secondary school | 30 (9.8) | 19 (10.4) | 11 (8.8) | |
| Intermediate | 91 (29.6) | 55 (30.2) | 36 (28.8) | |
| University or college | 139 (45.3) | 84 (46.2) | 55 (44) | |
| Dietary habits, n (%) | 0.371 | |||
| Red meat+ butter tea | 77 (25.1) | 42 (23.1) | 35 (28) | |
| Vegan | 3 (1.0) | 1 (0.5) | 2 (1.6) | |
| Vegetables + white meat + rice | 227 (73.9) | 139 (76.4) | 88 (70.4) | |
| Occupation, n (%) | 0.523 | |||
| Farmer and herdsman | 20 (6.5) | 10 (5.5) | 10 (8) | |
| Other jobs | 287 (93.5) | 172 (94.5) | 115 (92) | |
Data are presented as the Mean (SD) or Median (IQR: Q1, Q3) for continuous variables and percentage for categorical variables.
SBP, Systolic blood pressure; DBP, Diastolic blood pressure; WC, Waist Circumference; TG, Triglycerides; LDL-C, Low density lipoprotein cholesterol; HDL-C, High density lipoprotein cholesterol; FPG, Fasting plasma glucose; BMI, Body Mass Index; WBC, white blood cell; AST, aspartate aminotransferase; ALT, alanine aminotransferase.