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Table 3 Unadjusted incidence rate ratio for total and non-herpes zoster opportunistic infections in patients with different systemic rheumatic diseases

From: Comparing the burdens of opportunistic infections among patients with systemic rheumatic diseases: a nationally representative cohort study

  Incidence rate ratio 95% CI P value
Total opportunistic infections
 SLE 1 (reference)
 PM/DM 1.42 1.31–1.55 < 0.001
 SSc 0.73 0.65–0.85 < 0.001
 RA 0.58 0.56–0.61 < 0.001
 pSS 0.56 0.53–0.59 < 0.001
Non-herpes zoster opportunistic infections
 SLE 1 (reference)
 PM/DM 1.73 1.50–1.98 < 0.001
 SSc 0.83 0.68–0.99 0.035
 RA 0.50 0.46–0.54 < 0.001
 pSS 0.41 0.37–0.45 < 0.001
  1. SLE systemic lupus erythematosus, RA rheumatoid arthritis, pSS primary Sjögren’s syndrome, SSc systemic sclerosis, PM/DM polymyositis/dermatomyositis, CI confidence interval