Why the study?
Does the APACHE IV model accurately predict hospital mortality in critically ill patients?
Does the APACHE IV model accurately predict hospital mortality in critically ill patients?
APACHE IV provides accurate hospital mortality predictions with good discrimination and calibration, making it useful for benchmarking performance in U.S. ICUs.
May support APACHE IV for ICU benchmarking; leaves open external validation in diverse populations.
APACHE IV predictions of hospital mortality have good discrimination and calibration and should be useful for benchmarking performance in U.S. ICUs. The accuracy of predictive models is dynamic and should be periodically retested. When accuracy deteriorates they should be revised and updated.
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Zimmerman et al. (2006) studied this question.
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