Low-level proteinuria at the initial diagnosis of systemic lupus erythematosus significantly increases the risk of developing proteinuria-predominant lupus nephritis
Purpose A proportion of patients with systemic lupus erythematosus (SLE) present with subclinical low-level proteinuria at initial diagnosis that does not meet the formal classification criteria for lupus nephritis (LN). This study aimed to investigate the association between low-level proteinuria at SLE onset and the...