Computer modelling of a cataract waiting list

The British Journal of Ophthalmology
S Tuft, S Gallivan

Abstract

To compare three different strategies for determining admission dates for patients awaiting cataract extraction after scoring for visual impairment. 357 patients attending for assessment for cataract surgery were scored for visual impairment. These scores were used as a basis for ranking patients into three impairment strata. A computer simulation was used to compare 3 years' operation of different admission strategies-a first come first served booking system, a triage booking system, and a waiting list system in which admissions were strictly ordered according to priority stratum. Differences in priority weighted delays before treatment were analysed. Both the triage system and the priority based waiting list system gave considerable reduction in priority weighted delay compared with a first come first served admission policy. The percentage reduction achieved (30%-60%) is strongly influenced by the number of weeks fully booked when the booking systems are introduced. The priority weighted delay of the triage system, where booking decisions were made at the time of the outpatient assessment, was consistently and substantially outperformed by the priority based waiting list system where the decision to allocate an admission dat...Continue Reading

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Citations

Dec 14, 2007·Health Care Management Science·Peter T VanBerkel, John T Blake
Jun 23, 2011·Health Care Management Science·John Andrew Bowers
Aug 13, 2010·Journal of Medical Systems·Boris G SobolevChristos Vasilakis
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