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Article Abstract
Objectives: The objective was to identify the comorbidities of gout, to compare gender difference and independent factors of frequent gout attacks (> 20 times).
Method: Demographic, clinical variables, self-reported comorbidities, and biochemical variables (i.e., initial serum uric acid (UA) and UA at visit) were collected in this cross-sectional study. Gout attack times were recorded as ≤ 5, 6-10, 11-20, and > 20. Adjusted odds ratio (OR) and corresponding 95% confidence interval (CI) were calculated to explore the association between selected risk factors and frequent gout attacks.
Results: Six hundred fifty-three gout patients with a mean age of 48.3 ± 15.8 years were included, 84.7% of whom were males. The median gout duration was 6.0 (3.0-12.0) years. The most common comorbidities involved hypertension (166, 25.4%), coronary artery disease (CAD) (67, 10.3%), chronic kidney disease (66, 10.1%), and hyperlipidemia (57, 8.7%). Abnormalities including nephrolithiasis (29.4%), hydronephrosis (3.2%), and gallstones (11.9%) were also found. Although female patients had a longer disease duration and more CAD, they had a lower level of UA, creatine, and C-reactive protein (CRP) but higher high-density lipoprotein cholesterol (HDL-C) (p < 0.05). A positive correlation between UA and triglycerides was found in females (p = 0.039). Patients with renal insufficiency or nephrolithiasis had longer disease duration and more gout attacks (p < 0.001). In multivariable regression analysis, only gout duration (OR = 7.89, p < 0.001) and UA (OR = 1.48, p < 0.001) was independent factors of frequent gout attacks.
Conclusions: Comorbidity screening involving dyslipidemia is often neglected in gout patients. Gout duration and UA are the risk factors of frequent gout attacks. Key Points • Comorbidities can be overlooked if the screening for lipid levels, cardiovascular disease, and kidney disease is not completed. • There are differences in comorbidities and biochemical findings between male and female patients with gout. • Gout duration and serum uric acid level are independent risk factors of frequent gout attacks.
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| http://dx.doi.org/10.1007/s10067-021-05595-w | DOI Listing |
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