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August 2016

Omitted Statistical Analysis Description and Errors in Figure

JAMA Psychiatry. 2016;73(8):878. doi:10.1001/jamapsychiatry.2016.1634

In the Original Investigation titled “Whole-Body Hyperthermia for the Treatment of Major Depressive Disorder: A Randomized Clinical Trial,”1 published online May 12, 2016, there was an omission in the Methods section and errors in Figure 2. The sentence describing the Cohen d calculation in the Statistical Analysis subsection of the Methods section should have read as follows: “Cohen d was calculated to assess effect sizes for between-group differences at all posttreatment points based on means and SDs derived from the mixed-effect model.” There were also data errors in Figure 2, which have been corrected, and the accompanying figure caption should have read as follows: “The error bars indicate SEs. Means and SEs were derived from the raw data provided in Table 2.” This article was corrected online.

Janssen  CW, Lowry  CA, Mehl  MR,  et al.  Whole-body hyperthermia for the treatment of major depressive disorder: a randomized clinical trial [published online May 12, 2016].  JAMA Psychiatry. doi:10.1001/jamapsychiatry.2016.1031. PubMed