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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.
Methodologic Error Affecting Study Results. JAMA Psychiatry. 2017;74(5):542. doi:10.1001/jamapsychiatry.2017.0202
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