January 12, 1975Acta Medica Scandinavica
Incidence and Presentation of Myocardial Infarction in North Karelia, Finland
Key result
North Karelia residence linked to ~38% higher MI incidence vs. Helsinki in middle-aged men.
- RR 1.38
- n=713
Why the study?
A myocardial infarction register was established to collect comprehensive data on suspected acute MI cases in North Karelia, Finland, to understand incidence and presentation patterns.
Population
713 suspected acute MI cases in North Karelia, Finland, May-Dec 1972
Design
Observational myocardial infarction register following WHO recommendations
Authors
Discussion
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Member takes
Implication
Does not yet alter clinical risk assessment; leaves open regional determinants of MI incidence in observational data.
Study Design
Type
Observational (n=713)
PICO
P
Population
713 cases of suspected acute myocardial infarction registered in North Karelia, Finland, between May and December 1972.
E
Exposure / Comparator
Residence in North Karelia vs Residence in Helsinki
O
Primary Outcome
Age-standardized incidence rate of myocardial infarction in males aged 30-64 — RR 1.38
Main Result
Relative Risk: 1.38
Cite This Study
Puska et al. (1975) conducted an observational in Myocardial infarction (n=713). Residence in North Karelia vs. Residence in Helsinki was evaluated on Age-standardized incidence rate of myocardial infarction in males aged 30-64 (RR 1.38). Residence in North Karelia was associated with a higher age-standardized incidence rate of myocardial infarction among males aged 30-64 compared to Helsinki (RR 1.38).