Correction
In the article “Comparative Efficacy and Safety of Atypical and Conventional Antipsychotic Drugs in First-Episode Psychosis: A Randomized, Double-Blind Trial of Olanzapine Versus Haloperidol,” by Jeffrey A. Lieberman, M.D., et al. (August 2003; 160:1396–1404), the graph shown in Figure 1 (p. 1399) was incorrect. The correct graph is shown below.