Background: We aimed to assess the impact of systemic lupus erythematosus (SLE) on the risk of infection after\ntotal hip arthroplasty (THA).\nMethods: We identified patients undergoing primary THA (1996â??2013) in Taiwan National Health Insurance\nResearch Database (NHIRD). Patients were then divided into the SLE and control groups according to the diagnosis\nof SLE. We used 1:1 propensity score to match the control to the SLE group by age, sex, and comorbidities. The\nprimary outcome was infection, including early and late superficial wound infection and periprosthetic joint\ninfection (PJI). The secondary outcome was in-hospital complications.\nResults: We enrolled 325 patients in each group. In the primary outcome, the incidence of early superficial wound\ninfection and PJI was comparable between the SLE and matched-control group. However, the incidence of late\nsuperficial wound infection......................
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