Waiting for liver transplantation in Canada: waitlist history 2000–2004 and sensitivity analysis for the future

Waiting for liver transplantation in Canada: waitlist history 2000–2004 and sensitivity analysis for the future

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Article ID: iaor20091220
Country: Netherlands
Volume: 11
Issue: 2
Start Page Number: 184
End Page Number: 195
Publication Date: Jun 2008
Journal: Health Care Management Science
Authors: , ,
Keywords: queues: applications
Abstract:

This study comprises a historical review of liver transplants performed in Canada during 2000–2004, and sensitivity analyses to assess the impact of possible changes in the operation of the waitlists. In the first part, overall statistics are reported, and the notable impact that blood type plays in affecting waiting time is discussed. Waiting times and numbers of transplants are also reported by gender, age, and geographic region (waitlist), and statistical analyses of the patient placement and cadaveric donations processes are performed. These analyses establish that the service times of an appropriate queuing model are closely approximated by an exponential distribution. Consequently, the resulting distribution for the waiting time from placement until transplant is well described by a different exponential distribution. The GI/M/1 queuing model is then used to perform a number of sensitivity analyses.

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