Comparison of Clinical and Laboratory Findings in Patients with Systemic Lupus Erythematosus with Regard to Age at Onset.

Objective: Systemic lupus erythematosus (SLE) rarely has a late onset. Late-onset SLE (LSLE) has a milder course and less organ involvement. The purpose of the present study was to compare the clinical and laboratory (lab) findings of SLE regarding age at onset.