PMID: 6022789Apr 29, 1967Paper

Studies of male survivors of myocardial infarction. IX. Mortality experience and insurability

Canadian Medical Association Journal
J A LittleA Csima

Abstract

The mortality of a group of Canadians who survived myocardial infarction for at least three months was compared with the mortality of medically selected lives insured in Canada at standard rates. The results were expressed as the ratio of the actual deaths incurred in the infarction group to the deaths expected according to the insured table. There were 120 men, approximately 25 in each decade from the fourth to the eighth inclusive, with no condition other than coronary disease which might affect survival. The severity and number of infarcts did not influence selection.Calculating from the date of entry into the study the mortality ratio after 10 years was 530%. Calculating from the date of first infarction, the mortality ratio from 0 to five years was 980%, from six to 10 years 510% and after 10 years 320%. The mortality ratio was greatest in the fourth decade, 9400%, and decreased progressively: fifth, 2400%; sixth, 1300%; seventh, 400%; eighth, 230%. In the younger groups the high mortality ratios were due to the small number of expected deaths at young ages, not to an increase in the absolute number of actual deaths. In each age group the mortality ratio decreased with time but remained substantially increased even after 1...Continue Reading

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