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Arthritis Care Res (Hoboken). 2017 Jul 21;:
Authors: Jinno S, Lu N, Jafarzadeh SR, Dubreuil M
Abstract
BACKGROUND/OBJECTIVE: Epidemiology of hospitalizations with infection among patients with rheumatoid arthritis (RA) is unknown despite an increase in RA treatments that confer infection risk.
METHODS: We examined National Inpatient Sample data from 1993-2013. We identified adults RA hospitalizations, defined by having ICD-9-CM codes (714.xx) in any secondary diagnosis field. We evaluated 5 infections as the primary diagnosis: pneumonia, sepsis, urinary tract infection (UTI), skin and soft tissue infections (SSTI), and opportunistic infections (OIs). The primary outcome was the proportion of hospitalizations for each infection, among all hospitalizations with a secondary diagnosis of RA.
RESULTS: There were 792,921 hospitalizations for infection with a secondary diagnosis of RA, with the rates increasing from 90 to 206 per 100,000 persons from 1993-2013. The proportion of hospitalizations decreased for pneumonia (5.4% to 4.6%), UTI (0.4% to 0.38%), and OIs (0.44% to 0.26%). The proportion for SSTI increased slightly (2.3% to 2.5%), while hospitalizations for sepsis more than tripled (1.9% to 6.4%).
CONCLUSIONS: Between 1993 and 2013, the proportion of hospitalizations for infections among RA patients appeared to decline for pneumonia and OIs, with a slight decrease in UTI, a slight increase in SSTI, and a substantial increase in hospitalizations with sepsis. Our results are consistent with previous reports that the sensitivity of sepsis coding has increased over time. This article is protected by copyright. All rights reserved.
PMID: 28732148 [PubMed - as supplied by publisher]
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