SLEDAI-2K Does Not Conceal Worsening in a Particular System When There Is Overall Improvement

Zahi Touma¹, Dafna D Gladman¹, Jiandong Su¹+2

• ¹From the University of Toronto, University of Toronto Lupus Clinic, Toronto Western Hospital, Centre for Prognosis Studies in the Rheumatic Diseases, and Toronto Western Research Institute, Toronto, Ontario, Canada.Z. Touma, MD, FACP, FACR, PhD, Assistant Professor of Medicine, University of Toronto Lupus Clinic, Toronto Western Hospital, Centre for Prognosis Studies in the Rheumatic Diseases; D.D. Gladman, MD, FRCPC, Professor of Medicine, University of Toronto, and Senior Scientist, Toronto Western Research Institute, and Co-director, University of Toronto Lupus Clinic, Centre for Prognosis Studies in the Rheumatic Diseases, Toronto Western Hospital, University of Toronto; J. Su, MB, BSc; D. Ibañez, MSc, University of Toronto Lupus Clinic, Centre for Prognosis Studies in the Rheumatic Diseases, Toronto Western Hospital; M.B. Urowitz, MD, FRCPC, Professor of Medicine, University of Toronto, and Senior Scientist, Toronto Western Research Institute, and Director, University of Toronto Lupus Clinic, Centre for Prognosis Studies in the Rheumatic Diseases, Toronto Western Hospital.+1