In the October 2004 issue of the Journal, an article by Simpson et al. titled "Randomized, Controlled, Double-Blind Multicenter Comparison of the Efficacy and Tolerability of Ziprasidone and Olanzapine in Acutely Ill Inpatients With Schizophrenia or Schizoaffective Disorder" (Am J Psychiatry 2004; 161:1837–1847) contained errors in Figure 2 (incorrect number of ziprasidone-treated subjects and incorrect color coding of data plots). The correct figure appears below.