Estimating the costs for a group of geriatric patients using the Coxian phase-type distribution

The length of stay in hospital of geriatric patients may be modelled using the Coxian phase‐type distribution. This paper examines previous methods which have been used to model health‐care costs and presents a new methodology to estimate the costs for a cohort of patients for their duration of stay...

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Bibliographic Details
Published in:Statistics in medicine 2007-06, Vol.26 (13), p.2716-2729
Main Authors: Marshall, Adele H., Shaw, Barry, McClean, Sally I.
Format: Article
Language:English
Subjects:
Aged
Costs and Cost Analysis - statistics & numerical data
Coxian phase-type distribution
Estimating techniques
geriatric medicine
Geriatric Nursing - economics
Geriatric Nursing - statistics & numerical data
Geriatrics
Health care expenditures
hospital bed management
hospital costs
Hospital Costs - statistics & numerical data
Hospitalization
Humans
Length of Stay - statistics & numerical data
Mathematical models
Medical statistics
Northern Ireland
Older people
Patient admissions
patient length of stay
Proportional Hazards Models
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Summary:The length of stay in hospital of geriatric patients may be modelled using the Coxian phase‐type distribution. This paper examines previous methods which have been used to model health‐care costs and presents a new methodology to estimate the costs for a cohort of patients for their duration of stay in hospital, assuming there are no further admissions. The model, applied to 1392 patients admitted into the geriatric ward of a local hospital in Northern Ireland, between 2002 and 2003, should be beneficial to hospital managers, as future decisions and policy changes could be tested on the model to investigate their influence on costs before the decisions were carried out on a real ward. Copyright © 2006 John Wiley & Sons, Ltd.
ISSN:0277-6715
1097-0258
DOI:10.1002/sim.2728