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Lupus. 2010 Jan;19(1):49-51. doi: 10.1177/0961203309346505. Epub 2009 Nov 12.

SLEDAI-2K for a 30-day window.

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University of Toronto Lupus Clinic, Centre for Prognosis Studies in The Rheumatic Diseases, Toronto Western Hospital, Toronto, Ontario, M5T 2S8, Canada.


The aim of our study was to determine whether the SLEDAI-2K calculated using a timeframe of 30 days prior to a visit for clinical and laboratory variables was equivalent to the prescribed 10-day period. One hundred forty nine consecutive lupus patients seen over 9 weeks at the University of Toronto Lupus Clinic enrolled. The SLEDAI-2K score was completed twice, for a 10- and 30-day window. Forty patients had a classic SLEDAI-2K activity score of 0 and 109 patients had varying levels of disease activity ranging from 1 to 31. In all but one patient, there was agreement between the SLEDAI-2K 10 and 30 days. Thus SLEDAI-2K 30 days is similar to SLEDAI-2K 10 days, both in patients in remission and with a spectrum of disease activity levels. SLEDAI-2K 30 days may now be used to describe disease activity over the previous 30 days.

[Indexed for MEDLINE]

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