Key result
A five-variable preoperative predictive index successfully stratified patients, with 69.4% of high-risk patients experiencing an ICU stay of more than 2 days compared to 11.5% of low-risk patients.
Why the study?
Can a multivariate predictive index predict length of ICU stay and death in patients following cardiac surgery?
Population
1,404 patients undergoing cardiac surgery (713 in derivation set, 691 in validation set)
Design
Cohort
Authors
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Supports preoperative ICU risk stratification after cardiac surgery; hypothesis-generating pending external validation.
Cohort (n=1,404)
No
Can a multivariate predictive index predict length of ICU stay and death in patients following cardiac surgery?
Absolute Event Rate: 69.4% vs 11.5%
p-value: p=<0.001
A multivariate predictive index can successfully stratify risk for prolonged ICU stay and death following cardiac surgery, aiding in resource planning.
Tu et al. (1995) conducted a cohort in Cardiac surgery (n=1,404). High risk score (8-12) on predictive index vs. Low risk score (0-1) on predictive index was evaluated on Long ICU stay (>2 days) (p=<0.001). A five-variable preoperative predictive index successfully stratified patients, with 69.4% of high-risk patients experiencing an ICU stay of more than 2 days compared to 11.5% of low-risk patients.
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