A newly devised scoring system for prediction of mortality in patients with colorectal cancer: a prospective study
View abstract on PubMed
Summary
This summary is machine-generated.The Association of Coloproctology of Great Britain and Ireland (ACPGBI) score accurately predicts colorectal cancer surgery mortality. This new score is more precise than POSSUM, P-POSSUM, and CR-POSSUM in predicting patient outcomes.
Area Of Science
- Colorectal surgery outcomes
- Surgical risk prediction models
- Oncology research
Background
- Postoperative morbidity and mortality following colorectal cancer surgery exhibit significant hospital-level variation in the UK.
- Existing risk prediction scores like POSSUM, P-POSSUM, and CR-POSSUM have limitations in accurately forecasting outcomes.
Purpose Of The Study
- To evaluate the predictive accuracy of a novel scoring system developed by the Association of Coloproctology of Great Britain and Ireland (ACPGBI) for colorectal cancer surgery mortality.
- To compare the ACPGBI score's performance against established models: POSSUM, P-POSSUM, and CR-POSSUM.
Main Methods
- A prospective analysis of 618 patients undergoing primary tumor resection for colorectal cancer over a three-year period.
- Comparison of observed 30-day mortality with predicted mortality using ACPGBI, POSSUM, P-POSSUM, and CR-POSSUM scoring systems.
- Statistical evaluation employed the Hosmer-Lemeshow test and Receiver Operating Characteristic (ROC) curve analysis.
Main Results
- Overall observed 30-day mortality was 10.2%.
- POSSUM overpredicted mortality (12.7%), while P-POSSUM underpredicted it (4.4%).
- CR-POSSUM (9.6%) and ACPGBI score (8.1%) demonstrated closer predictions, with ACPGBI showing superior accuracy in subgroup analyses.
Conclusions
- The ACPGBI score demonstrates superior accuracy in predicting colorectal cancer surgery mortality compared to POSSUM, P-POSSUM, and CR-POSSUM.
- While CR-POSSUM offered a close overall prediction, the ACPGBI score proved most accurate across various patient subgroups.
- These findings suggest the ACPGBI score as a valuable tool for risk stratification in colorectal cancer surgery.

