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. 2006 Oct 3:5:43.
doi: 10.1186/1476-072X-5-43.

Defining rational hospital catchments for non-urban areas based on travel-time

Nadine Schuurman  1 , Robert S Fiedler, Stefan C W Grzybowski, Darrin Grund
Affiliations

Defining rational hospital catchments for non-urban areas based on travel-time

Nadine Schuurman et al. Int J Health Geogr. .

Abstract

Background: Cost containment typically involves rationalizing healthcare service delivery through centralization of services to achieve economies of scale. Hospitals are frequently the chosen site of cost containment and rationalization especially in rural areas. Socio-demographic and geographic characteristics make hospital service allocation more difficult in rural and remote regions. This research presents a methodology to model rational catchments or service areas around rural hospitals--based on travel time.

Results: This research employs a vector-based GIS network analysis to model catchments that better represent access to hospital-based healthcare services in British Columbia's rural and remote areas. The tool permits modelling of alternate scenarios in which access to different baskets of services (e.g. rural maternity care or ICU) are assessed. In addition, estimates of the percentage of population that is served--or not served--within specified travel times are calculated.

Conclusion: The modelling tool described is useful for defining true geographical catchments around rural hospitals as well as modelling the percentage of the population served within certain time guidelines (e.g. one hour) for specific health services. It is potentially valuable to policy makers and health services allocation specialists.

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Figures

Figure 1
Figure 1
Overview of Interior Health (IHA). Data Sources: GIS Innovations Ltd and Statistics Canada (2001 census).
Figure 2
Figure 2
1 hour service areas for all hospitals. Data Source: GIS Innovations Ltd.
Figure 3
Figure 3
1 hour service areas for hospitals with critical care and surgeon available. Data Source: GIS Innovations Ltd.
Figure 4
Figure 4
1 hour service areas for hospitals with Obstetrician available. Data Source: GIS Innovations Ltd.
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