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Article
Open AccessAssessing clusters of comorbidities in rheumatoid arthritis: a machine learning approach
Comorbid conditions are very common in rheumatoid arthritis (RA) and several prior studies have clustered them using machine learning (ML). We applied various ML algorithms to compare the clusters of comorbidi...
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Article
Prevalence of ECG testing and characteristics among new hydroxychloroquine and chloroquine users within a multi-center tertiary care center
COVID-19 raised concern regarding cardiotoxicity and QTc prolongation of hydroxychloroquine (HCQ) and chloroquine (CQ). We examined the frequency and patient factors associated with ECG testing and the detecti...
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Article
Comparison of an administrative algorithm for SLE disease severity to clinical SLE Disease Activity Index scores
Systemic lupus erythematosus (SLE) severity, reflecting both disease intensity and duration, is heterogeneous making it challenging to study in administrative databases where severity may confound or mediate a...
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Article
Open AccessReadmissions, revisions, and mortality after treatment for proximal humeral fractures in three large states
Proximal humeral fractures can be treated non-operatively or operatively with open reduction and internal fixation (ORIF) and arthroplasty. Our objective was to assess practice patterns for operative and non-o...
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Article
Organ-specific systemic lupus erythematosus activity during pregnancy is associated with adverse pregnancy outcomes
Systemic lupus erythematosus (SLE) is a disease of reproductive-age women, and thus questions regarding how disease influences pregnancy outcomes arise. We investigated whether five specific types of SLE activ...
