In the Original Article entitled “Long-term Follow-up of a Group at Ultra High Risk (‘Prodromal’) for Psychosis: The PACE 400 Study,” published online June 5 in JAMAPsychiatry (doi:10.1001/jamapsychiatry.2013.1270), an incorrect reference appeared. Reference 82 should have been listed as follows: “Hutton P, Bowe S, Parker S, Ford S. Prevalence of suicide risk factors in people at ultra-high risk of developing psychosis: a service audit. Early Interv Psychiatry. 2011;5(4):375-380.” This reference was cited in the text on the seventh page of the article. In the first paragraph of the Clinical Implications subsection of the Discussion, the fourth sentence should have appeared as follows: “Hutton et al82 found that 59% of UHR individuals presented with at least mild suicidal ideation and 47% reported at least 1 suicide attempt before being accepted in an early intervention service.” This article was corrected in print and online.