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papers

A population-based study comparing patterns of care delivery on the quality of care for persons living with HIV in Ontario

Published: May 13, 2015
Category: Papers
Authors: Glazier RH, Hogg W, Kendall CE, Manuel DG, Taljaard M, Younger J
Country: Canada
Language: null
Type: Population Health
Settings: Hospital, PCP

BMJ Open 5:e007428.

Bruyère Research Institute, Ottawa, ON, Canada; University of Ottawa, Ottawa, ON, Canada; Ottawa Hospital Research Institute, Ottawa, ON, Canada; Institute for Clinical Evaluative Sciences, Toronto, ON, Canada; St. Michael’s Hospital, Toronto, ON, University of Toronto, Toronto, ON. Canada

OBJECTIVES: Physician specialty is often positively associated with disease-specific outcomes and negatively associated with primary care outcomes for people with chronic conditions. People with HIV have increasing comorbidity arising from antiretroviral therapy (ART) related longevity, making HIV a useful condition to examine shared care models. We used a previously described, theoretically developed shared care framework to assess the impact of care delivery on the quality of care provided.

DESIGN: Retrospective population-based observational study from 1 April 2009 to 31 March 2012.

PARTICIPANTS: 13 480 patients with HIV and receiving publicly funded healthcare in Ontario were assigned to one of five patterns of care.

OUTCOME MEASURES: Cancer screening, ART prescribing and healthcare utilisation across models using adjusted multivariable hierarchical logistic regression analyses.

RESULTS: Models in which patients had an assigned family physician had higher odds of cancer screening than those in exclusively specialist care (colorectal cancer screening, exclusively primary care adjusted OR (AOR)=3.12, 95% CI (1.90 to 5.13), family physician-dominant co-management AOR=3.39, 95% CI (1.94 to 5.93), specialist-dominant co-management AOR=2.01, 95% CI (1.23 to 3.26)). The odds of having one emergency department visit did not differ among models, although the odds of hospitalisation and HIV-specific hospitalisation were lower among patients who saw exclusively family physicians (AOR=0.23, 95% CI (0.14 to 0.35) and AOR=0.15, 95% CI (0.12 to 0.21)). The odds of antiretroviral prescriptions were lower among models in which patients’ HIV care was provided predominantly by family physicians (exclusively primary care AOR=0.15, 95% CI (0.12 to 0.21), family physician-dominant co-management AOR=0.45, 95% CI (0.32 to 0.64)).

CONCLUSIONS: How care is provided had a potentially important influence on the quality of care delivered. Our key limitation is potential confounding due to the absence of HIV stage measures.

PMID: 25971708
PMCID: PMC4431060

Canada,Care Management,Disease Management,Practice Pattern Comparison,Medical Conditions,Adolescent,Adult,Aged,Colorectal Neoplasms/diagnosis,Co-morbidity,Delivery of Health Care/organization & administration,Emergency Service,Hospital,Family Practice,Gender,Hospitalization,Logistic Models,Middle Aged,Odds Ratio,Ontario,Patient Acceptance of Health Care,Retrospective Studies,Specialization,Young Adult

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