A previous report dealt with the death and survival rates found in a collaborative study involving 795 patients who were admitted to 13 hospitals for treatment of myocardial infarction.1 The present report is a follow-up to show the subsequent survival rate found in those patients who were discharged after the hospitalization period of 21 to 28 days. Also presented is an overview of the relative frequency of death during the hospitalization and post hospitalization periods.
(The total mortality that is related to coronary artery disease must include a third component besides the mortalities encountered during and after hospitalization. This is the mortality caused by sudden death. There are only two recent references on this aspect—one, the Framingham study,2 indicating that "sudden death accounts for approximately one-sixth of all CHD" and a second report,3 in which it is stated that there were "about 1 in 5 of the