Lupus nephritis at systemic lupus erythematosus onset and kidney outcomes in a Latin American biopsy-proven cohort
Background The prognostic relevance of lupus nephritis (LN) occurring at systemic lupus erythematosus (SLE) onset versus later remains uncertain, particularly in Hispanic populations. Methods We conducted a retrospective cohort study of adults (≥18 years) with biopsy-proven LN from tertiary centers in Colombia (2011–20...