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Figure 1 | Arthritis Research & Therapy

Figure 1

From: Application of the 2012 Systemic Lupus International Collaborating Clinics classification criteria to patients in a regional Swedish systemic lupus erythematosus register

Figure 1

Venn diagrams illustrating the distribution of confirmed systemic lupus erythematosus cases and controls for each separate classification ground. Venn diagrams demonstrate the distribution of the 243 confirmed (SLE) cases identified (A) by the 1982 American College of Rheumatology (ACR-82) criteria (blue), Fries (green) and SLICC-12 (pink), and (B) by ACR-82 criteria (blue), Fries and Holman diagnostic principle (Fries [7]) (green) and the 2012 Systemic Lupus International Collaborating Clinics criteria with SLICC-12 with a requirement for involvement of at least two organ systems for SLE diagnosis (SLICC-12:2) (red) (that is, with the requirement to involve at least two different organ systems). The 55 controls identified (C) by ACR-82 (blue), Fries (green) and SLICC-12 (pink) and (D) by ACR-82 (blue), Fries (green) and SLICC-12:2 (red). Controls who did not meet any of the classification grounds are indicated in black.

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Arthritis Research & Therapy

ISSN: 1478-6362

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