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Correction
May 2017

Methodologic Error Affecting Study Results

JAMA Psychiatry. 2017;74(5):542. doi:10.1001/jamapsychiatry.2017.0202

In the article titled “Structural Brain Abnormalities in Youth With Psychosis Spectrum Symptoms,” published online March 16, 2016, and also in the May 2016 issue of JAMA Psychiatry,1 a methodologic error occurred, affecting some of the results reported in the article’s Abstract, Results and Discussion sections, Figure 1, and the eFigure and eTables 4 and 5 in the online Supplement. All analyses were recalculated.2 While the error inflated apparent group differences in coarse measures of brain volume, the study’s main conclusion did not change. This article was corrected online.

References
1.
Satterthwaite  TD, Wolf  DH, Calkins  ME,  et al.  Structural brain abnormalities in youth with psychosis spectrum symptoms.  JAMA Psychiatry. 2016;73(5):515-524.PubMedGoogle ScholarCrossref
2.
Satterthwaite  TD, Gur  RE.  Correction to address methodologic error in study reporting structural brain abnormalities in youth with psychosis spectrum symptoms [published online March 8, 2017].  JAMA Psychiatry. doi:10.1001/jamapsychiatry.2017.0007Google Scholar
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