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Table 1 Clinical and laboratory features of 123 Brazilian patients with primary gout

From: Nephrolithiasis in gout: prevalence and characteristics of Brazilian patients

 

Value

Male gender

115 (93.5%)

Skin color/race

 White

102 (82.9%)

 Brown or Black

14 (11.4%)

 Asian

7 (5.7%)

Age (years)

62.9 ± 09.4

Age at the onset of disease (years)

44.9 ± 12.3

Duration of disease (years)

18.2 ± 10.5

Tophi

69 (56.1%)

Underexcretion of uric acid

110 (89.4%)

Alcohol use disorder

90 (73.2%)

 Current

23 (18.7%)

 Past

67 (54.5%)

Smoking history

63 (51.2%)

 Current

10 (8.1%)

 Past

53 (43.1%)

Medication

 Allopurinol

45 (36.6%)

 Benzbromarone

76 (61.8%)

 Potassium citrate

13 (10.6%)

 Colchicine

32 (26.0%)

 Glucocorticoids

7 (5.7%)

 NSAIDs

64 (52.0%)

 Antidiabetic medication

18 (14.6%)

 Antihypertensives

92 (74.8%)

 Lipid-lowering medication

25 (20.3%)

Serum creatinine (mg/dL)

1.34 ± 0.55

Serum urea (mg/dL)

44.1 ± 25.3

eGFR – CKD EPI (mL/min/1.73 m2)

63.9 ± 21.7

Serum uric acid levels (mg/dL)

7.13 ± 1.95

Uric acid clearance (mL/min)

5.48 ± 3.91

 Uric acid clearance < 6 mL/min

85 (69.1%)

Urinary uric acid excretion (g/24 h)

0.53 ± 0.30

Serum glucose (mg/dL)

105.7 ± 26.8

Serum total cholesterol (mg/dL)

205.4 ± 49.4

Serum triglyceride (mg/dL)

231.4 ± 399.6

Urinalysis

 pH

5.79 ± 0.83

 Pyuria (>  10 leukocytes/HPF)

6 (4.9%)

 Hematuria (>  3 erythrocytes/HPF)

12 (9.8%)

 Significant proteinuria

5 (4.1%)

  1. Data are expressed as the total (%) or the mean ± SD
  2. CKD – EPI Chronic Kidney Disease Epidemiology Collaboration equation
  3. eGFR estimated glomerular filtration rate
  4. HPF high-power field
  5. NSAIDs nonsteroidal anti-inflammatory drugs