INGEMAR CULLHED, M.D.; BJÖRN SMEDBY, M.D.; URBAN WAERN, M.D.
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To the editor: It is difficult to compare input and output data on hospital care. Such a "cost-effectiveness" study concerning coronary care has been done by Martin and associates (1). Their conclusion was that, despite considerable increase in input, there was no increase in output measured as duration of hospitalization and hospital mortality.
Their study refers, however, to a precoronary period. Further, the number of patients was small, 37 to 53 patients per studied year. Their conclusions may not be representative.
It is well known that hospital mortality in myocardial infarction has decreased by about 10% since the introduction of
CULLHED I, SMEDBY B, WAERN U. Coronary Care. Ann Intern Med. 1975;83:575. doi: 10.7326/0003-4819-83-4-575_1
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Published: Ann Intern Med. 1975;83(4):575.
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