FIGURE 1.

Flowchart of identification of patients with systemic lupus erythematosus (SLE) at first record. The first records of all 2038 patients in the cohort were evaluated by the text mining algorithm, which assigned the diagnosis SLE to 484 patients; 352 patients were assigned another immune‐mediated inflammatory disease (IMID): antiphospholipid syndrome, cutaneous lupus erythematosus, giant cell arteritis, granulomatosis with polyangiitis, idiopathic inflammatory myopathy, juvenile idiopathic arthritis, lupus‐like disease (also known as incomplete SLE), mixed connective tissue disease, polymyalgia rheumatica, primary Sjögren syndrome, rheumatoid arthritis, systemic sclerosis, or undifferentiated connective tissue disease.