SAMUEL P. MARTIN, M.D.; MAGRUDER C. DONALDSON, M.D.; C. DAVID LONDON, M.D.; OSLER L. PETERSON, M.D.; THEODORE COLTON, Sc.D.
A retrospective study over a 30-year interval measured changing patterns of inputs into the care of patients hospitalized with myocardial infarction. There was a dramatic increase in frequency of chemical laboratory tests, roentgenograms, and bacteriological examinations. These quantities had both statistically significant linear and quadratic regression components, indicating an accelerated increase over time. There has been a linear increase in electrocardiograms, sedative medication, and days of oxygen therapy. With these changes in input, there have been no significant changes in the duration of hospitalization or in-hospital mortality.
MARTIN SP, DONALDSON MC, LONDON CD, PETERSON OL, COLTON T. Inputs into Coronary Care During 30 Years: A Cost Effectiveness Study. Ann Intern Med. ;81:289–293. doi: 10.7326/0003-4819-81-3-289
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Published: Ann Intern Med. 1974;81(3):289-293.
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