Table 1

All observed and expected cancers, along with standardized incidence ratio and 95% confidence interval
All cancers Observed Expected SIR 95% CI
Stratified by sex
 Male 2.0 0.5 4.4 0.5, 16.0
 Female 12.0 2.6 4.6 2.4, 8.1
Stratified by age group
 0 to 19 years 3.0 0.8 3.9 0.8, 11.4
 20+ years 11.0 2.3 4.8 2.4, 8.6
Stratified by SLE duration
  < 1 year 2.0 0.1 15.2 1.8, 54.9
 1 to 4 years 1.0 0.6 1.8 0.0, 9.9
 5 to 9 years 1.0 0.6 1.7 0.0, 9.6
 10 to 19 years 8.0 0.9 9.2 4.0, 18.2
 20+ years 2.0 0.7 3.1 0.4, 11.1

CI, confidence interval; SIR, standardized incidence ratio; SLE, systemic lupus erythematosus.

Bernatsky et al.

Bernatsky et al. Arthritis Research & Therapy 2013 15:R198   doi:10.1186/ar4388

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