Distribution of patients with class IV lupus nephritis (LN) according to the results of renal biopsy.
Class IV (diffuse) LN
Class IV LN with active lesions (A)
Class IV LN with active and chronic lesions (A/C)
Class IV LN with chronic inactive lesions with scars (C)
Class IV-S (diffuse segmental proliferative) LN
Class IV-G (diffuse global proliferative) LN