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Table 1 Approximate extreme values of some ordinal outcome scales for systemic lupus erythematosus

From: Statistical considerations for stopping systemic lupus erythematosus clinical trials earlier

Scalea Minimum and maximum Description
SLAM 0 to 84 Systemic Lupus Activity Measure
SLEDAI 0 to 108 Systemic Lupus Erythematosus Disease Activity Index
BILAG 0 to 180 British Isles Lupus Assessment Group
ECLAM 0 to 15.5 European Consensus Lupus Activity Measure
  1. aListing of items for each scale, and minimum and maximum scores obtained from Lam and Petri [1]