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Objective: We determined whether socioeconomic status (SES) and sex are associated with functional status (FS) in axial spondyloarthritis (axSpA)., Methods: We conducted a cohort study of patients with axSpA in the Rheumatology Informatics System for Effectiveness registry. We performed cross-sectional and longitudinal analyses of FS through the Multidimensional Health Assessment Questionnaire (MDHAQ) using generalized estimating equation models. Area Deprivation Index (ADI) was used as an SES proxy. The cross-sectional analysis tested for a linear trend across ADI quintiles for MDHAQ. The longitudinal analysis' outcome was functional decline. We reported predictive margins and assessed for interaction with sex. In the longitudinal analysis, we reported odds of functional decline., Results: In the cross-sectional analysis (N = 5,658), the mean ± SD age was 53.8 ± 15.2 years, 55.8% were female, and 71.4% were non-Hispanic White. The mean ± SD MDHAQ scores were 1.6 ± 2.0 in men versus 2.1 ± 2.2 in women. Predicted mean MDHAQ scores were 2.2 (95% confidence interval [CI] 1.8-2.7) for the lowest ADI quintile and 1.8 (95% CI 1.4-2.1) for the highest. Women had lower FSs compared to men across quintiles. In the longitudinal analysis (n = 2,341), the proportion with FS decline was 14.3% (95% CI 7.6-25.5%) for the lowest SES quintile compared to 9.6% (95% CI 5.2-17.1%) for the highest. Women had 1.7 (95% CI 1.3-2.2) times higher odds of functional decline compared to men. There was no interaction with sex., Conclusion: In this large sample of patients with axSpA, those with lower SES had worse FS and functional decline. Women had worse FS than men, initially and over time., (© 2024 American College of Rheumatology.)

Objective: We evaluated the incidence rate and factors associated with fractures among adults with ankylosing spondylitis (AS)., Methods: We performed a retrospective cohort study with data from the Rheumatology Informatics System for Effectiveness registry linked to Medicare claims from 2016 to 2018. Patients were required to have two AS International Classification of Diseases codes 30 or more days apart and a subsequent Medicare claim. Then, 1 year of baseline characteristics were included, after which patients were observed for fractures. First, we calculated the incidence rate of fractures. Second, we constructed logistic regression models to identify factors associated with the fracture, including age, sex, race and ethnicity, body mass index, Medicare/Medicaid dual eligibility, area deprivation index, Charlson comorbidity index, smoking status, osteoporosis, historical fracture, and use of osteoporosis treatment, glucocorticoids, and opioids., Results: We identified 1,426 adults with prevalent AS. Mean ± SD age was 69.4 ± 9.8 years, 44.3% were female, and 77.3% were non-Hispanic White. Fractures occurred in 197 adults with AS. The overall incidence rate of fractures was 76.7 (95% confidence interval [CI] 66.4-88.6) per 1,000 person-years. Older age (odds ratio [OR] 2.8, 95% CI 1.39-5.65), historical fracture (OR 5.24, 95% CI 3.44-7.99), and use of more than 30 mg morphine equivalent (OR 1.86, 95% CI 1.08-3.19) conferred increased odds of fracture., Conclusions: In this large sample of Medicare beneficiaries with AS, increasing age, historical fracture, and use of opioids had higher odds of fracture. Men and women were equally likely to have a fracture. Because opioid use was associated with fracture in AS, this high-risk population should be considered for interventions to mitigate risk., (© 2023 American College of Rheumatology.)

Objective: Sarcoidosis is often treated with glucocorticoids, although the use of biologics is growing. Prescribing patterns for biologics for patients with sarcoidosis in US rheumatology practices have never been examined. Given that there are no steroid-sparing US Food and Drug Administration-approved therapies for sarcoidosis, we sought to characterize the real-world treatment of sarcoidosis and to assess practice-level variation in prescribing patterns., Methods: We conducted an observational study of patients with sarcoidosis using data from the Rheumatology Informatics System for Effectiveness (RISE) registry (2014-2018). The RISE registry represents an estimated 32% of the US clinical rheumatology workforce. Adult patients with ≥2 codes for sarcoidosis ≥30 days apart were included. We examined sarcoidosis-specific medication use at any time during the study period. Data were analyzed at the practice level., Results: A total of 3,276 patients with sarcoidosis from 184 practices were included. Of those patients, 75.1% were women, with a mean age of 59.0 ± 12.5 years; 48.3% were White and 27.6% were Black. Overall, 59.3% of patients were prescribed glucocorticoids, and 24.7% received prolonged glucocorticoid therapy (≥10 mg/day for ≥90 days). In all, 12.1% received a biologic or targeted synthetic disease-modifying antirheumatic drug (tsDMARD), most commonly tumor necrosis factor inhibitors. There was wide practice-level variation among 31 practices with ≥30 patients with sarcoidosis; biologic use ranged from 15.6% to 69.2%. Infliximab represented the most common biologic prescribed., Conclusion: In a large sample of US rheumatology practices, 12.1% of patients with sarcoidosis received biologics or tsDMARDs. We found high variability in biologic use across practices. The significant use of long-term glucocorticoids suggests unmet therapeutic needs in this patient population., (© 2020 American College of Rheumatology.)

Objective: Although multiple national quality measures focus on the management and safety of rheumatoid arthritis, few measures address the care of patients with systemic lupus erythematosus (SLE). Our objective was to apply a group of quality measures relevant to the care of patients with SLE, and we used the American College of Rheumatology's Rheumatology Informatics System for Effectiveness (RISE) registry to assess nationwide variations in care., Methods: The data derived from RISE and included patients who had ≥2 visits with SLE codes ≥30 days apart in 2017-2018. We calculated performance on 5 quality measures: renal disease screening, blood pressure assessment and management, hydroxychloroquine (HCQ) prescribing, safe dosing for HCQ, and prolonged glucocorticoid use at doses of >7.5 mg/day. We reported performance on these measures at the practice level. We used logistic regression to assess independent predictors of performance after adjusting for sociodemographic and utilization factors., Results: We included 27,567 unique patients from 186 practices; 91.7% were female and 48% White, with a mean age of 53.5 ± 15.2 years. Few patients had adequate screening for the development of renal manifestations (39.5%). Although blood pressure assessment was common (94.4%), a meaningful fraction of patients had untreated hypertension (17.7%). Many received HCQ (71.5%), but only 62% at doses of ≤5.0 mg/kg/day. Some received at least moderate-dose steroids for ≥90 days (18.5%). We observed significant practice variation on every measure., Conclusion: We found potential gaps in care for patients with SLE across the US. Although some performance variation may be explained by differences in disease severity, dramatic differences suggest that developing quality measures to address important health care processes in SLE may improve care., (© 2020 American College of Rheumatology.)

Objective: To evaluate time trends in mortality for hospitalized adults with systemic lupus erythematosus (SLE) compared to the general hospitalized population (GHP), and to identify factors associated with increased risk of death among hospitalized SLE patients., Methods: We used the National (Nationwide) Inpatient Sample to estimate all-cause mortality for adults discharged from community hospitals in the US between 2006 and 2016. Poisson regression models were used to estimate the risk of in-hospital death among all patients, including demographic characteristics, socioeconomic factors, comorbidity score, hospital region, SLE diagnosis, and race/ethnicity as covariates., Results: Among 340,467,049 hospitalizations analyzed, 1,903,279 had a discharge diagnosis of SLE. In adjusted analysis, the risk of inpatient death decreased among hospitalizations for patients with SLE from 2.2% to 1.5% (P < 0.001) between 2006 and 2016. All of the decrease in SLE mortality occurred between 2006 and 2008; after 2008, mortality stabilized at a rate statistically similar to the GHP. Hospitalizations for Black, Hispanic, and Asian/Pacific Islander patients with SLE were more likely to end in death compared to hospitalizations for either White patients with SLE or individuals of the same non-White race/ethnicity without SLE., Conclusion: In the largest study of in-hospital SLE mortality published to date, we found significant improvements in mortality for hospitalized patients with SLE in the US from 2006 until 2008, after which mortality stabilized at a level similar to that of the GHP. Our results also demonstrate a persistently high mortality burden among Black and Hispanic patients with SLE in the US and contribute new data revealing high mortality among Asian/Pacific Islander patients with SLE., (© 2020, American College of Rheumatology.)

Background: Behçet's disease (BD), a chronic systemic vasculitis, has distinct geographical and ethnic variation. Data regarding the epidemiology of patients with BD in the U.S. are limited; therefore, we sought to describe BD patient characteristics and medication use in the U.S., and compared them with data from patients from endemic regions., Methods: We conducted a cross-sectional study using data from the RISE registry (2014-2018). Patients aged ≥ 18 years with BD were included. Sociodemographic and treatment information was extracted. We compared patients from the RISE registry to data from other published studies of patients with BD from endemic areas., Results: One thousand three hundred twenty-three subjects with BD from the RISE registry were included. Mean age was 48.7 ± 16.3 years, female to male ratio was 3.8:1, and 66.7% were White. The most frequently used medications included glucocorticoids (67.6%) and colchicine (55.0%). Infliximab and adalimumab were the most used biologics (14.5% and 14.1%, respectively); 3.2% of patients used apremilast. The RISE registry had more women (79.3%), and patients were older compared to previously published BD studies from endemic areas. Methotrexate and TNFi were more commonly reported in RISE (21.8% and 29.4%) compared to studies from Egypt and Turkey. Colchicine, cyclosporine, and cyclophosphamide were more commonly used in cohorts from Egypt, Turkey, and Iran., Conclusions: Findings from the largest BD dataset in the U.S. suggest that BD patients are predominantly female. Further research is needed to explore the reasons for the higher prevalence of BD among women in the U.S. and its possible impact on disease severity and management., (© 2021. The Author(s).)

Objective: Immunosuppressant drugs can increase the risk of hepatitis B virus (HBV) and hepatitis C virus (HCV) and tuberculosis (TB) reactivation. Using the American College of Rheumatology's Rheumatology Informatics System for Effectiveness (RISE) registry, we examined pre-treatment screening among new users of biologic or targeted synthetic disease modifying drugs (DMARDs)., Methods: Data, derived from RISE, included patients ≥ 18 years old who were new users of biologic or targeted synthetic DMARDs. We developed quality measures related to pre-treatment screening for HBV, HCV, and TB in addition to a "composite" measure for all applicable tests. We assessed patient-level screening rates, practice-level variation among practices reporting on ≥ 20 patients, and the frequency of positive results., Results: We included 26,802 patients across 213 rheumatology practices nationwide. Patients were 58 (14) years old, 75.9% female; 59.6% had rheumatoid arthritis, and TNFi were the most common index DMARDs (64.9%). Overall, 44.8% and 40.5% patients had any documented HBV or HCV screening, respectively, prior to the index date; 29.7% had TB screening in the year prior to drug start. Only 15.5% had documentation of screening for all appropriate infections prior to drug start. Practice-level performance on the composite measure was low (range 0 to 48.3%). 2.4% of screening tests were positive., Conclusion: We found gaps in documentation of key safety measures among practices participating in RISE. Given the small but significant number of patients with active or latent infections that pose safety risks, developing standardized and reliable strategies to capture safety screening measures is paramount., (Published by Elsevier Inc.)