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Last Updated: 2001-08-21 19:01:42 EDT (Reuters Health)
LONDON (Reuters Health) – Men who are 25 to 54 years of age are more likely to die from a myocardial infarction on Saturday or Sunday than on other days of the week, according to a report published in the September issue of Heart. In older men, however, fatal cardiac events tend to occur on Mondays.
Dr. Jean Ferriטres, from INSERM in Toulouse, France, and colleagues analyzed data from the French arm of three European MONICA studies (monitoring trends and determinants in coronary disease) to determine the daily incidence of MI in men and women. The researchers analyzed French National Mortality Statistics from 1987 to 1997 to determine the daily MI mortality rate.
Men were more likely to experience a MI on weekends than on weekdays, a finding that was mainly due to a difference in the frequency of first-time events, the authors state. The number of cardiac events in women was too low to allow any valid conclusions to be made.
Men who were 25 to 54 years of age had significantly higher MI mortality rates on weekends than on weekdays. A nonsignificant trend toward a higher MI mortality rate on Mondays was noted in older men. No between-day differences were noted in women.
"The effect of age on the weekly distribution of MI mortality has seldom been studied," the researchers state. "The higher frequency of deaths on weekends found in this study is in agreement with some studies, but not with others," they note. "Although no clear-cut explanation can be provided, it is possible that young adults engage in strenuous activity during weekends, thus increasing the risk of MI," they add.
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