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Record W7128242064 · doi:10.1093/jcag/gwaf006

Reducing endoscopic procedure backlog by improving efficiency: a predictive model and machine learning-based scheduling approach

2025· article· en· W7128242064 on OpenAlexafffund
Tu-San Pham, Héloïse Gachet, Waleed Aljohani, Jeanne Archambault, Myriam Martel, Alan Barkun, Louis-Martin Rousseau

Bibliographic record

VenueJournal of the Canadian Association of Gastroenterology · 2025
Typearticle
Languageen
FieldHealth Professions
TopicHealthcare Operations and Scheduling Optimization
Canadian institutionsMcGill UniversityMcGill University Health CentrePolytechnique Montréal
FundersCanadian Institutes of Health Research
KeywordsScheduling (production processes)Integer programmingData collectionJob shop schedulingPredictive modellingSingle-machine schedulingRegression analysis

Abstract

fetched live from OpenAlex

Background: The COVID-19 pandemic led to a significant decrease in endoscopic procedure volumes, resulting in a backlog of patients awaiting investigation. Our study thus aimed to develop a machine learning-based scheduling tool to improve resource utilization, enhance system efficiency, and increase patient throughput, ultimately reducing procedural delays. Methods: In the first phase, machine learning methods were applied to historical data to predict procedure duration based on patient characteristics and environmental factors. In the second phase, a scheduling module was built using a greedy heuristic and a Mixed Integer Programming (MIP) model to optimize resource utilization. Results: We showed that among the tested models, an XGBoost regression model was selected with a mean absolute error of 5.67 minutes on the test set. The simulation results demonstrated that MIP increased the number of patients scheduled by 5.9% while reducing mean waiting time from 19.5 days to 17.3 days over a waiting list of 1,000 patients, evaluated within a 2-week period (10 working days). Simulations using real patient data showed that the MIP scheduled 8 more patients than the baseline. Numerical results confirmed higher resource utilization rates in adaptive schedules. Conclusions: Our study highlights the potential of a machine learning-based scheduling tool to enhance resource allocation, thus helping address backlogs in endoscopic procedures. Real-world clinical validation is now necessary to substantiate the tool's effectiveness. Future work should prioritize prospective data collection to refine the predictive model and seamlessly integrate the tool into clinical workflows, ensuring its practical utility and success.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.002
metaresearch head score (Gemma)0.002
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.510
Threshold uncertainty score0.978

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0020.002
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0010.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.015
GPT teacher head0.290
Teacher spread0.275 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designSimulation or modeling
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2025
Admission routes2
Has abstractyes

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Same venueJournal of the Canadian Association of GastroenterologySame topicHealthcare Operations and Scheduling OptimizationFrench-language works237,207