Key result
Using a locally derived risk score, the VLAD plot for a single surgeon showed a net life gain of about 6 over the predicted number of survivors, falling within the 90% prediction interval.
Population
n=393 isolated coronary artery bypass and isolated valve operations performed by a single surgeon
Comparison
Nested prediction intervals superimposed onto… vs Parsonnet scoring system
Design
Other
Follow-up
perioperative
Authors
Loading...
May aid real-time monitoring of individual surgical performance; leaves open whether VLAD plots with prediction intervals improve outcomes.
Observational (n=393)
No
Nested prediction intervals on VLAD plots provide a visually informative method to monitor surgical performance and account for inherent variability in perioperative mortality.
Chris Sherlaw‐Johnson (2000) conducted an observational in Cardiac surgery (n=393). Variable life adjusted display (VLAD) with nested prediction intervals vs. Parsonnet scoring system was evaluated on Net life gain (observed vs expected survivors). Using a locally derived risk score, the VLAD plot for a single surgeon showed a net life gain of about 6 over the predicted number of survivors, falling within the 90% prediction interval.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: