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—An error was made in calculating the confidence intervals (CIs) for the hazard ratios (HRs) reported in the article entitled "Depression Following Myocardial Infarction: Impact on 6-Month Survival" by Frasure-Smith et al, which appeared in the October 20, 1993, issue of The Journal (1993;270: 1819-1825). The CI for the HR for 6-month mortality associated with major depression after adjustment for prescription of warfarin sodium should have been 1.49 to 15.53 (HR, 4.81; likelihood ratio, 6.35; P=.012). The CI for the HR associated with depression after adjustment for previous myocardial infarction, Killip class, prescription of warfarin sodium, and lack of close friends should have been 0.34 to 3.71 (HR, 3.44; likelihood ratio, 3.96; P=.047). Tables 2 and 3 are reprinted to show the corrected CIs. The main conclusions of the article are not altered.
Error in Confidence Intervals.. JAMA. 1994;271(14):1082. doi:10.1001/jama.1994.03510380038033