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Untangling the complex relationships between incident gout risk, serum urate, and its comorbidities.


ABSTRACT: BACKGROUND:Many gout comorbidities (e.g., hypertension) are correlated with serum urate. In this investigation, we identified risk factors (e.g., systolic blood pressure [SBP]), that (1) are associated with incident gout, (2) have effects on gout risk that cannot be fully explained by correlated differences in serum urate, and (3) may modulate the relationship between gout and serum urate. METHODS:Using data from the Atherosclerosis Risk in Communities (ARIC) study, we estimated the unadjusted associations between gout and risk factors by calculating ORs and using chi-square tests. The adjusted associations were analyzed using logistic regression by sequentially adding (1) one risk factor at a time or (2) all risk factors, to a baseline model that includes serum urate only. Stepwise selection was used to select main effects. Two-way interactions of variables from the main effects model were also analyzed. RESULTS:Average gout incidence was 2.7 per 1000 people per year. Serum urate was highly associated with incident gout, with odd ratios of 3.16 [95% CI 2.11, 4.76] and 25.9 [95% CI 17.2, 38.4] for moderately high (6-8 mg/dl) and high serum urate (>?8 mg/dl), relative to normal serum urate (

SUBMITTER: Sun M 

PROVIDER: S-EPMC5932762 | biostudies-literature | 2018 May

REPOSITORIES: biostudies-literature

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Untangling the complex relationships between incident gout risk, serum urate, and its comorbidities.

Sun Mengying M   Vazquez Ana I AI   Reynolds Richard J RJ   Singh Jasvinder A JA   Reeves Mathew M   Merriman Tony R TR   Gaffo Angelo L AL   Los Campos Gustavo de G  

Arthritis research & therapy 20180503 1


<h4>Background</h4>Many gout comorbidities (e.g., hypertension) are correlated with serum urate. In this investigation, we identified risk factors (e.g., systolic blood pressure [SBP]), that (1) are associated with incident gout, (2) have effects on gout risk that cannot be fully explained by correlated differences in serum urate, and (3) may modulate the relationship between gout and serum urate.<h4>Methods</h4>Using data from the Atherosclerosis Risk in Communities (ARIC) study, we estimated t  ...[more]

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