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May 2017

Errors in Statistical Analyses

JAMA Neurol. 2017;74(5):612. doi:10.1001/jamaneurol.2016.4681

In the article titled “Association of Environmental Toxins With Amyotrophic Lateral Sclerosis,” published online May 9, 2016, and in the July 2016 issue of JAMA Neurology,1 incorrect data were used in statistical analyses, resulting in errors being reported in the Abstract, Results, and Discussion sections of the text; Figure 1; Table 3; and eTables 1, 3, 5, 7, 9, and 10 in the Supplement. All analyses were rerun and corrections were made to data in Table 3 and Figure 1 in the article, as well as eTables 1, 3, 5, 7, 9, and 10 in the Supplement.2 This article was corrected online.

Su  F-C, Goutman  SA, Chernyak  S,  et al.  Association of environmental toxins with amyotrophic lateral sclerosis.  JAMA Neurol. 2016;73(7):803-811.PubMedGoogle ScholarCrossref
Batterman  SA, Feldman  EL.  Incorrect data used in statistical analyses [published online March 13, 2017].  JAMA Neurol. doi:10.1001/jamaneurol.2016.6106Google Scholar