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The authors thank Professor Isenberg1 for pointing out a drafting error on the manuscript reporting the use of the Lupus Low Disease Activity State (LLDAS) in the anifrolumab phase II trial data set.2 The British Isles Lupus Assessment Group(BILAG) instrument does indeed document gastrointestinal disease activity, while Systemic Lupus Erythematosis (SLE) Disease Activity Index 2000 (SLEDAI-2K) does not. This error does not impact on the findings of the published paper, or the intended meaning of the sentence in which this error occurred, which was a discussion of the need for evidence that the physician global assessment adequately captures gastrointestinal activity in SLE.
Handling editor Josef S Smolen
Contributors EFM wrote the text, with approval from the authors.
Competing interests None declared.
Provenance and peer review Commissioned; internally peer reviewed.
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