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Table 1 Baseline characteristics of the all study population according to the quartiles of the serum uric acid

From: A cross-sectional analysis of the relationship between uric acid and coronary atherosclerosis in patients with suspected coronary artery disease in China

Variables Total (n = 1116) 1st Quartile <259 μmol/l (n = 278) 2nd Quartile 259-309 μmol/l (n = 274) 3rd Quartile 310-373 μmol/l (n = 283) 4th Quartile >373 μmol/l (n = 281) P-value
Age(years) 58.05 ± 10.69 58.64 ± 9.19 57.86 ± 9.52 58.14 ± 11.09 57.56 ± 12.6 0.674
Male 566 (50.7) 64 (23.0) 109 (39.8) 170 (60.1) 223 (79.4) <0.001
BMI(kg/m2) 24.99 ± 4.00 23.46 ± 4.24 24.70 ± 3.29 25.83 ± 4.45 25.95 ± 3.38 <0.001
Smoking 279 (25.0) 40 (14.4) 59 (21.5) 89 (31.4) 91 (32.4) <0.001
Family history of CAD 93 (8.3) 27 (9.7) 29 (10.6) 20 (7.1) 17 (6.0) 0.167
Hypertension 639 (42.7) 96 (34.5) 114 (41.6) 135 (47.7) 132 (47.0) 0.005
Diabetes Mellitus 183 (16.4) 45 (16.2) 43 (15.7) 51 (18.0) 44 (15.7) 0.861
LDL-C(mmol/l) 2.95 ± 0.88 2.93 ± 0.79 3.02 ± 1.01 2.94 ± 0.87 2.92 ± 0.87 0.544
HDL-C(mmol/l) 1.19 ± 0.37 1.33 ± 0.34 1.21 ± 0.32 1.13 ± 0.30 1.09 ± 0.46 <0.001
TC(mmol/l) 4.60 ± 1.06 4.61 ± 0.97 4.66 ± 1.22 4.58 ± 1.06 4.56 ± 0.99 0.735
TG(mmol/l) 1.64 ± 1.36 1.29 ± 0.85 1.59 ± 1.29 1.69 ± 1.47 1.98 ± 1.61 <0.001
Creatinine(μmol/l) 78.20 ± 16.32 81.47 ± 16.74 80.09 ± 14.23 74.07 ± 15.38 81.95 ± 19.17 0.121
History of Medication       
Aspirin 247 (22.1) 64 (23.0) 57 (20.8) 67 (23.7) 59 (21.0) 0.799
Beta blcker 118 (10.6) 27 (9.7) 26 (9.5) 31 (11.0) 34 (12.1) 0.733
ACEI 62 (5.6) 13 (4.7) 15 (5.5) 17 (6.0) 17 (5.6) 0.880
ARB 68 (6.1) 14 (5.0) 13 (4.7) 20 (7.1) 21 (7.5) 0.417
CCB 145 (13.0) 28 (10.1) 43 (15.7) 42 (14.8) 32 (11.4) 0.144
Statins 94 (8.4) 20 (7.2) 25 (9.1) 30 (10.6) 19 (6.8) 0.330
Antihyperglycemic 107 (9.6) 30 (10.8) 23 (8.4) 29 (10.2) 25 (8.9) 0.750
Insulin 65 (5.8) 18 (6.5) 14 (5.1) 18 (6.4) 15 (5.3) 0.863
  1. Values are mean ± Standard deviation or n (%). The conversion of UA measuring unit: mg/dl = (μmol/l divide by 59.48).
  2. BMI Body Mass Index, CAD Coronary artery disease, LDL-C Low-density lipoprotein Cholesterol, HDL-C High-density lipoprotein Cholesterol, TC Total Cholesterol, TG Triglycerides, ACEI Angiotensin-converting enzyme inhibitor, ARB Angiotensin receptor blocker, CCB Calcium Channel Blocker.