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Table 2 Infection between SLE and matched-control patientsa

From: The impact of systemic lupus erythematosus on the risk of infection after total hip arthroplasty: a nationwide population-based matched cohort study

  SLE Control   SLE vs. control
(n = 325) (n = 325) P HR 95% CI
Early infection (< 3 months)
 Early superficial wound infection 7 (2.2%) 2 (0.6%) 0.09 3.53 0.73–17.0
 Early PJI 5 (1.5%) 2 (0.6%) 0.25 2.52 0.49–13.0
Late infection (> 3 months)
 Late superficial wound infection 37 (11.4%) 18 (5.5%) 0.01 2.37 1.35–4.16
 Late PJI 17 (5.2%) 7 (2.2%) 0.04 2.74 1.14–6.64
  1. CI confidence interval, HR hazard ratio, PJI periprosthetic joint infection, SLE systemic lupus erythematosus
  2. aData are presented as number and percentage