While there is some published data, including those from the Toronto pediatric lupus cohort (Hiraki et al., PMID 19833755), that suggest the prevalence of severe organ manifestations such as nephritis and central nervous system involvement may vary by race or ethnicity, it is difficult to know how d...

Lupus nephritis is a very common manifestation in childhood-onset SLE (cSLE) where upwards of 50-60% of children with lupus have LN at presentation. LN has been reported as high as 80% and 90% in several international cohorts. Nevertheless, as was noted in our paper for this journal club, while morb...