ICES | Primary Care Models in Ontario English - page 13

Comparison of Primary Care Models in Ontario by Demographics, Case Mix and Emergency Department Use, 2008/09 to 2009/10
All residents of Ontario eligible for health
care in 2008/09 to 2009/10, with a physician
visit during this time period and alive on
March 31, 2010 were included. The models
compared included CHCs, FHNs, FHGs,
FHOs, other smaller models grouped
together, and FHTs. The FHNs and FHOs that
were part of a FHT were included in the FHT
group and not included in the FHN and FHO
groups. We also examined Ontarians not
belonging to any of these groups (no other
group—NON). The NON group was composed
of those being seen in straight fee-for-service
primary care, those seeing specialist
physicians but not primary care physicians,
and those being seen by physicians in a
primary care model who were not formally
The study time period was April 1, 2008 to
March 31, 2010. CHC data were not routinely
available at the time of the study, and for that
reason CHCs were approached to participate.
CHCs were required to have client encounter
data during the study time period to be
eligible, and CHC clients who had a face-to-
face encounter with a physician during the
study time period were included. Patients
rostered to a physician in the other models as
of March 31, 2010 were included if they had a
physician visit during the study time period.
Data were utilized from a variety of sources.
CHC data were extracted from electronic
records and linked with data holdings at the
Institute for Clinical Evaluative Sciences
(ICES) that were accessed through a
comprehensive research agreement between
ICES and Ontario’s Ministry of Health and
Long-Term Care. These included: CHC data,
the Registered Persons Database; physician
billings from the Ontario Health Insurance
Plan; hospital Discharge Abstract Database;
ED visits from the National Ambulatory Care
Reporting System; the Ontario Drug Benefit
Program; Client Agency Program Enrolment
tables, the Rurality Index of Ontario for
urban-rural residence, and 2006 Census of
Canada data for sociodemographic variables.
A brief explanation of each is provided below.
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