ACR open rheumatology · 2024
Gout Flare Burden in the United States: A Multiyear Cross-Sectional Survey Study.
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Singh Jasvinder A, Morlock Amy, Morlock Robert
Аннотация
OBJECTIVE: The objective of this study was to assess the burden of gout flares and examine associated patient characteristics and outcomes in a sample of US adults.
METHODS: Data were collected via an online survey of US adults ≥18 years using a random stratified sampling framework. Participants with gout completed questions about treatments, serum urate (SU) levels, severity, satisfaction with control, and gout flares. All participants completed the Veterans RAND 12-Item Health Survey, the Generalized Anxiety Disorder 7-Item Scale, and the Patient Health Questionnaire 9-Item Scale. Data were summarized using descriptive statistics. Multivariable-adjusted logistic regression analyses examined factors predictive of reporting gout flares to a physician.
RESULTS: A total of 933 participants met the study criteria for having gout. Those with gout tended to be older (58.3 [SD 13.3] years vs 45.4 [SD 16.1] years; P < 0.001), male (76.3% vs 46.9%; P < 0.001), White (80.5% vs 76.8%; P = 0.01), and married or living with their partner (58.9% vs 52.8%; P < 0.001) compared with those without gout (n = 30,146). The total gout flare burden for those with gout was 6.6 gout flares per year. Nearly 72% of gout flares were either not reported to physicians or pretreated or prevented. Characteristics of those who were less likely to report gout flares included being younger, being less educated, having a lower Charlson Comorbidity Index score, not being diagnosed with gout by their doctor, and not taking a urate-lowering therapy.
CONCLUSION: This study confirmed that gout flares are common in US adults with gout and found that gout flares are underreported. Reliance on clinical documentation of physician-reported gout flares is insufficient to assess the true patient burden of gout.
METHODS: Data were collected via an online survey of US adults ≥18 years using a random stratified sampling framework. Participants with gout completed questions about treatments, serum urate (SU) levels, severity, satisfaction with control, and gout flares. All participants completed the Veterans RAND 12-Item Health Survey, the Generalized Anxiety Disorder 7-Item Scale, and the Patient Health Questionnaire 9-Item Scale. Data were summarized using descriptive statistics. Multivariable-adjusted logistic regression analyses examined factors predictive of reporting gout flares to a physician.
RESULTS: A total of 933 participants met the study criteria for having gout. Those with gout tended to be older (58.3 [SD 13.3] years vs 45.4 [SD 16.1] years; P < 0.001), male (76.3% vs 46.9%; P < 0.001), White (80.5% vs 76.8%; P = 0.01), and married or living with their partner (58.9% vs 52.8%; P < 0.001) compared with those without gout (n = 30,146). The total gout flare burden for those with gout was 6.6 gout flares per year. Nearly 72% of gout flares were either not reported to physicians or pretreated or prevented. Characteristics of those who were less likely to report gout flares included being younger, being less educated, having a lower Charlson Comorbidity Index score, not being diagnosed with gout by their doctor, and not taking a urate-lowering therapy.
CONCLUSION: This study confirmed that gout flares are common in US adults with gout and found that gout flares are underreported. Reliance on clinical documentation of physician-reported gout flares is insufficient to assess the true patient burden of gout.