Article ; Online: Estimating postoperative mortality in colorectal surgery- a systematic review of risk prediction models.
International journal of colorectal disease
2023 Volume 38, Issue 1, Page(s) 155
Abstract: Purpose: Risk prediction models are frequently used to support decision-making in colorectal surgery but can be inaccurate. Machine learning (ML) is becoming increasingly popular, and its application may increase predictive accuracy. We compared ... ...
| Abstract | Purpose: Risk prediction models are frequently used to support decision-making in colorectal surgery but can be inaccurate. Machine learning (ML) is becoming increasingly popular, and its application may increase predictive accuracy. We compared conventional risk prediction models for postoperative mortality (based on regression analysis) with ML models to determine the benefit of the latter approach. Methods: The study was registered in PROSPERO(CRD42022364753). Following the PRISMA guidelines, a systematic search of three databases (MEDLINE, EMBASE, WoS) was conducted (from 1/1/2000 to 29/09/2022). Studies were included if they reported the development of a risk model to estimate short-term postoperative mortality for patients undergoing colorectal surgery. Discrimination and calibration performance metrics were compared. Studies were evaluated against CHARMS and TRIPOD criteria. Results: 3,052 articles were screened, and 45 studies were included. The total sample size was 1,356,058 patients. Six studies used ML techniques for model development. Most studies (n = 42) reported the area under the receiver operating characteristic curve (AUROC) as a measure of discrimination. There was no significant difference in the mean AUROC values between regression models (0.833 s.d. ± 0.52) and ML (0.846 s.d. ± 0.55), p = 0.539. Calibration statistics, which measure the agreement between predicted estimates and observed outcomes, were less consistent. Risk of bias assessment found most concerns in the data handling and analysis domains of eligible studies. Conclusions: Our study showed comparable predictive performance between regression and ML methods in colorectal surgery. Integration of ML in colorectal risk prediction is promising but further refinement of the models is required to support routine clinical adoption. |
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| MeSH term(s) | Humans ; Colorectal Surgery/adverse effects ; Digestive System Surgical Procedures ; Area Under Curve ; Calibration ; Databases, Factual |
| Language | English |
| Publishing date | 2023-06-01 |
| Publishing country | Germany |
| Document type | Systematic Review ; Journal Article ; Review |
| ZDB-ID | 84975-3 |
| ISSN | 1432-1262 ; 0179-1958 |
| ISSN (online) | 1432-1262 |
| ISSN | 0179-1958 |
| DOI | 10.1007/s00384-023-04455-0 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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