Table 1

Incidences of major osteoporotic fractures between systemic lupus erythematosus group and non-systemic lupus erythematosus group in patients ≥40 years in 2005–2012

VariableSystemic lupus erythematosusNon-systemic lupus erythematosus
NEventPerson-yearsIncidenceNEventPerson-yearsIncidenceIncidence rate ratio
(95% CI)
P value
All5663320211.63306 86621 2182 314 2980.921.78 (1.27 to 2.51)<0.001
  • Incidence per 1000 person-years

  • *Incidence rate ratio: systemic lupus erythematosus versus non-systemic lupus erythematosus (95% CI).