Dr Marwan Bukhari and Dr John Hanly, Queen Elizabeth II Health Sciences Centre and Dalhousie University, Halifax, Canada, talk about his paper on the frequency and outcome of lupus nephritis in a prospective SLE inception cohort. In the SLICC inception cohort study, 38% percent of patients developed lupus nephritis within the first 5 years of disease, with 10% of these developing end stage renal disease at 10 year follow-up.