Why the study?
Do the Risk Stratification Indices and Risk Quantification Index accurately predict mortality and length of stay in adult surgical patients?
Population
108,423 adult hospital admissions with anesthetics and 91,128 adult, noncardiac inpatient surgeries
Design
Cohort
Follow-up
1 year
Authors
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RSI poor calibration limits clinical use for mortality prediction; leaves open need for recalibration and external validation in surgical cohorts.
Do the Risk Stratification Indices and Risk Quantification Index accurately predict mortality and length of stay in adult surgical patients?
While the Risk Stratification Indices demonstrated excellent discrimination for mortality, poor calibration limits their generalizability, whereas the 30-day mortality Risk Quantification Index performed well.
Sigakis et al. (2013) studied this question.
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