Research
Effect of cataract surgery volume constraints on recently graduated ophthalmologists: a population-based cohort study
Robert J. Campbell, Sherif R. El-Defrawy, Chaim M. Bell, Sudeep S. Gill, Philip L. Hooper, Marlo Whitehead, Erica de L.P. Campbell, Robert Nesdole, Daniel Warder and Martin ten Hove
CMAJ March 20, 2017 189 (11) E424-E430; DOI: https://doi.org/10.1503/cmaj.150674
Robert J. Campbell
Department of Ophthalmology (R. Campbell, E. Campbell, Nesdole, Warder, ten Hove), Division of Geriatric Medicine (Gill) and Department of Public Health Sciences (Whitehead), Queen’s University, Kingston, Ont.; Department of Ophthalmology (R. Campbell, E. Campbell, Nesdole, Warder, ten Hove), Hotel Dieu Hospital, Kingston, Ont.; Institute for Clinical Evaluative Sciences (R. Campbell, Gill, Whitehead), Kingston, Ont.; Department of Ophthalmology (El-Defrawy), Department of Medicine (Bell) and Institute of Health Policy, Management and Evaluation (Bell), University of Toronto, Toronto, Ont.; Department of Ophthalmology (El-Defrawy), Kensington Eye Institute, Toronto, Ont.; Institute for Clinical Evaluative Sciences (Bell), Toronto, Ont.; Division of Geriatric Medicine (Gill), St. Mary’s of the Lake Hospital, Kingston, Ont.; Department of Ophthalmology (Hooper), University of Western Ontario, London, Ont.; Department of Ophthalmology (Hooper), St. Joseph’s Hospital, London, Ont.; Department of Ophthalmology (E. Campbell, Nesdole, Warder, ten Hove) Kingston General Hospital, Kingston, Ont.
MD MScSherif R. El-Defrawy
Department of Ophthalmology (R. Campbell, E. Campbell, Nesdole, Warder, ten Hove), Division of Geriatric Medicine (Gill) and Department of Public Health Sciences (Whitehead), Queen’s University, Kingston, Ont.; Department of Ophthalmology (R. Campbell, E. Campbell, Nesdole, Warder, ten Hove), Hotel Dieu Hospital, Kingston, Ont.; Institute for Clinical Evaluative Sciences (R. Campbell, Gill, Whitehead), Kingston, Ont.; Department of Ophthalmology (El-Defrawy), Department of Medicine (Bell) and Institute of Health Policy, Management and Evaluation (Bell), University of Toronto, Toronto, Ont.; Department of Ophthalmology (El-Defrawy), Kensington Eye Institute, Toronto, Ont.; Institute for Clinical Evaluative Sciences (Bell), Toronto, Ont.; Division of Geriatric Medicine (Gill), St. Mary’s of the Lake Hospital, Kingston, Ont.; Department of Ophthalmology (Hooper), University of Western Ontario, London, Ont.; Department of Ophthalmology (Hooper), St. Joseph’s Hospital, London, Ont.; Department of Ophthalmology (E. Campbell, Nesdole, Warder, ten Hove) Kingston General Hospital, Kingston, Ont.
MD PhDChaim M. Bell
Department of Ophthalmology (R. Campbell, E. Campbell, Nesdole, Warder, ten Hove), Division of Geriatric Medicine (Gill) and Department of Public Health Sciences (Whitehead), Queen’s University, Kingston, Ont.; Department of Ophthalmology (R. Campbell, E. Campbell, Nesdole, Warder, ten Hove), Hotel Dieu Hospital, Kingston, Ont.; Institute for Clinical Evaluative Sciences (R. Campbell, Gill, Whitehead), Kingston, Ont.; Department of Ophthalmology (El-Defrawy), Department of Medicine (Bell) and Institute of Health Policy, Management and Evaluation (Bell), University of Toronto, Toronto, Ont.; Department of Ophthalmology (El-Defrawy), Kensington Eye Institute, Toronto, Ont.; Institute for Clinical Evaluative Sciences (Bell), Toronto, Ont.; Division of Geriatric Medicine (Gill), St. Mary’s of the Lake Hospital, Kingston, Ont.; Department of Ophthalmology (Hooper), University of Western Ontario, London, Ont.; Department of Ophthalmology (Hooper), St. Joseph’s Hospital, London, Ont.; Department of Ophthalmology (E. Campbell, Nesdole, Warder, ten Hove) Kingston General Hospital, Kingston, Ont.
MD PhDSudeep S. Gill
Department of Ophthalmology (R. Campbell, E. Campbell, Nesdole, Warder, ten Hove), Division of Geriatric Medicine (Gill) and Department of Public Health Sciences (Whitehead), Queen’s University, Kingston, Ont.; Department of Ophthalmology (R. Campbell, E. Campbell, Nesdole, Warder, ten Hove), Hotel Dieu Hospital, Kingston, Ont.; Institute for Clinical Evaluative Sciences (R. Campbell, Gill, Whitehead), Kingston, Ont.; Department of Ophthalmology (El-Defrawy), Department of Medicine (Bell) and Institute of Health Policy, Management and Evaluation (Bell), University of Toronto, Toronto, Ont.; Department of Ophthalmology (El-Defrawy), Kensington Eye Institute, Toronto, Ont.; Institute for Clinical Evaluative Sciences (Bell), Toronto, Ont.; Division of Geriatric Medicine (Gill), St. Mary’s of the Lake Hospital, Kingston, Ont.; Department of Ophthalmology (Hooper), University of Western Ontario, London, Ont.; Department of Ophthalmology (Hooper), St. Joseph’s Hospital, London, Ont.; Department of Ophthalmology (E. Campbell, Nesdole, Warder, ten Hove) Kingston General Hospital, Kingston, Ont.
MD MScPhilip L. Hooper
Department of Ophthalmology (R. Campbell, E. Campbell, Nesdole, Warder, ten Hove), Division of Geriatric Medicine (Gill) and Department of Public Health Sciences (Whitehead), Queen’s University, Kingston, Ont.; Department of Ophthalmology (R. Campbell, E. Campbell, Nesdole, Warder, ten Hove), Hotel Dieu Hospital, Kingston, Ont.; Institute for Clinical Evaluative Sciences (R. Campbell, Gill, Whitehead), Kingston, Ont.; Department of Ophthalmology (El-Defrawy), Department of Medicine (Bell) and Institute of Health Policy, Management and Evaluation (Bell), University of Toronto, Toronto, Ont.; Department of Ophthalmology (El-Defrawy), Kensington Eye Institute, Toronto, Ont.; Institute for Clinical Evaluative Sciences (Bell), Toronto, Ont.; Division of Geriatric Medicine (Gill), St. Mary’s of the Lake Hospital, Kingston, Ont.; Department of Ophthalmology (Hooper), University of Western Ontario, London, Ont.; Department of Ophthalmology (Hooper), St. Joseph’s Hospital, London, Ont.; Department of Ophthalmology (E. Campbell, Nesdole, Warder, ten Hove) Kingston General Hospital, Kingston, Ont.
MDMarlo Whitehead
Department of Ophthalmology (R. Campbell, E. Campbell, Nesdole, Warder, ten Hove), Division of Geriatric Medicine (Gill) and Department of Public Health Sciences (Whitehead), Queen’s University, Kingston, Ont.; Department of Ophthalmology (R. Campbell, E. Campbell, Nesdole, Warder, ten Hove), Hotel Dieu Hospital, Kingston, Ont.; Institute for Clinical Evaluative Sciences (R. Campbell, Gill, Whitehead), Kingston, Ont.; Department of Ophthalmology (El-Defrawy), Department of Medicine (Bell) and Institute of Health Policy, Management and Evaluation (Bell), University of Toronto, Toronto, Ont.; Department of Ophthalmology (El-Defrawy), Kensington Eye Institute, Toronto, Ont.; Institute for Clinical Evaluative Sciences (Bell), Toronto, Ont.; Division of Geriatric Medicine (Gill), St. Mary’s of the Lake Hospital, Kingston, Ont.; Department of Ophthalmology (Hooper), University of Western Ontario, London, Ont.; Department of Ophthalmology (Hooper), St. Joseph’s Hospital, London, Ont.; Department of Ophthalmology (E. Campbell, Nesdole, Warder, ten Hove) Kingston General Hospital, Kingston, Ont.
MScErica de L.P. Campbell
Department of Ophthalmology (R. Campbell, E. Campbell, Nesdole, Warder, ten Hove), Division of Geriatric Medicine (Gill) and Department of Public Health Sciences (Whitehead), Queen’s University, Kingston, Ont.; Department of Ophthalmology (R. Campbell, E. Campbell, Nesdole, Warder, ten Hove), Hotel Dieu Hospital, Kingston, Ont.; Institute for Clinical Evaluative Sciences (R. Campbell, Gill, Whitehead), Kingston, Ont.; Department of Ophthalmology (El-Defrawy), Department of Medicine (Bell) and Institute of Health Policy, Management and Evaluation (Bell), University of Toronto, Toronto, Ont.; Department of Ophthalmology (El-Defrawy), Kensington Eye Institute, Toronto, Ont.; Institute for Clinical Evaluative Sciences (Bell), Toronto, Ont.; Division of Geriatric Medicine (Gill), St. Mary’s of the Lake Hospital, Kingston, Ont.; Department of Ophthalmology (Hooper), University of Western Ontario, London, Ont.; Department of Ophthalmology (Hooper), St. Joseph’s Hospital, London, Ont.; Department of Ophthalmology (E. Campbell, Nesdole, Warder, ten Hove) Kingston General Hospital, Kingston, Ont.
MD MHARobert Nesdole
Department of Ophthalmology (R. Campbell, E. Campbell, Nesdole, Warder, ten Hove), Division of Geriatric Medicine (Gill) and Department of Public Health Sciences (Whitehead), Queen’s University, Kingston, Ont.; Department of Ophthalmology (R. Campbell, E. Campbell, Nesdole, Warder, ten Hove), Hotel Dieu Hospital, Kingston, Ont.; Institute for Clinical Evaluative Sciences (R. Campbell, Gill, Whitehead), Kingston, Ont.; Department of Ophthalmology (El-Defrawy), Department of Medicine (Bell) and Institute of Health Policy, Management and Evaluation (Bell), University of Toronto, Toronto, Ont.; Department of Ophthalmology (El-Defrawy), Kensington Eye Institute, Toronto, Ont.; Institute for Clinical Evaluative Sciences (Bell), Toronto, Ont.; Division of Geriatric Medicine (Gill), St. Mary’s of the Lake Hospital, Kingston, Ont.; Department of Ophthalmology (Hooper), University of Western Ontario, London, Ont.; Department of Ophthalmology (Hooper), St. Joseph’s Hospital, London, Ont.; Department of Ophthalmology (E. Campbell, Nesdole, Warder, ten Hove) Kingston General Hospital, Kingston, Ont.
PhD MEdDaniel Warder
Department of Ophthalmology (R. Campbell, E. Campbell, Nesdole, Warder, ten Hove), Division of Geriatric Medicine (Gill) and Department of Public Health Sciences (Whitehead), Queen’s University, Kingston, Ont.; Department of Ophthalmology (R. Campbell, E. Campbell, Nesdole, Warder, ten Hove), Hotel Dieu Hospital, Kingston, Ont.; Institute for Clinical Evaluative Sciences (R. Campbell, Gill, Whitehead), Kingston, Ont.; Department of Ophthalmology (El-Defrawy), Department of Medicine (Bell) and Institute of Health Policy, Management and Evaluation (Bell), University of Toronto, Toronto, Ont.; Department of Ophthalmology (El-Defrawy), Kensington Eye Institute, Toronto, Ont.; Institute for Clinical Evaluative Sciences (Bell), Toronto, Ont.; Division of Geriatric Medicine (Gill), St. Mary’s of the Lake Hospital, Kingston, Ont.; Department of Ophthalmology (Hooper), University of Western Ontario, London, Ont.; Department of Ophthalmology (Hooper), St. Joseph’s Hospital, London, Ont.; Department of Ophthalmology (E. Campbell, Nesdole, Warder, ten Hove) Kingston General Hospital, Kingston, Ont.
MDMartin ten Hove
Department of Ophthalmology (R. Campbell, E. Campbell, Nesdole, Warder, ten Hove), Division of Geriatric Medicine (Gill) and Department of Public Health Sciences (Whitehead), Queen’s University, Kingston, Ont.; Department of Ophthalmology (R. Campbell, E. Campbell, Nesdole, Warder, ten Hove), Hotel Dieu Hospital, Kingston, Ont.; Institute for Clinical Evaluative Sciences (R. Campbell, Gill, Whitehead), Kingston, Ont.; Department of Ophthalmology (El-Defrawy), Department of Medicine (Bell) and Institute of Health Policy, Management and Evaluation (Bell), University of Toronto, Toronto, Ont.; Department of Ophthalmology (El-Defrawy), Kensington Eye Institute, Toronto, Ont.; Institute for Clinical Evaluative Sciences (Bell), Toronto, Ont.; Division of Geriatric Medicine (Gill), St. Mary’s of the Lake Hospital, Kingston, Ont.; Department of Ophthalmology (Hooper), University of Western Ontario, London, Ont.; Department of Ophthalmology (Hooper), St. Joseph’s Hospital, London, Ont.; Department of Ophthalmology (E. Campbell, Nesdole, Warder, ten Hove) Kingston General Hospital, Kingston, Ont.
MD MEngData supplements
Online Appendices
- Appendix 1: Details of segmented regression analysis
- Appendix 2: Mean quarterly number of cataract operations performed by recent graduates during their initial career stage, 2007-2013
- Appendix 3: Number of ophthalmologists in Ontario, 1994-2013
- Appendix 4: Quarterly numbers of cataract operations, ophthalmology consultations and laser peripheral iridotomy procedures by recent graduates and established ophthalmologists in Ontario, 1994-2013
- Appendix 5: Sensitivity analyses and additional investigations
Related Articles
- Hodge, W., & Kiatos, E. (2017). Disparities in cataract surgery volumes among Ontario’s ophthalmologists. CMAJ, 189(11), E422-E423. Accessed March 28, 2024. https://doi.org/10.1503/cmaj.161140.
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Effect of cataract surgery volume constraints on recently graduated ophthalmologists: a population-based cohort study
Robert J. Campbell, Sherif R. El-Defrawy, Chaim M. Bell, Sudeep S. Gill, Philip L. Hooper, Marlo Whitehead, Erica de L.P. Campbell, Robert Nesdole, Daniel Warder, Martin ten Hove
CMAJ Mar 2017, 189 (11) E424-E430; DOI: 10.1503/cmaj.150674
Effect of cataract surgery volume constraints on recently graduated ophthalmologists: a population-based cohort study
Robert J. Campbell, Sherif R. El-Defrawy, Chaim M. Bell, Sudeep S. Gill, Philip L. Hooper, Marlo Whitehead, Erica de L.P. Campbell, Robert Nesdole, Daniel Warder, Martin ten Hove
CMAJ Mar 2017, 189 (11) E424-E430; DOI: 10.1503/cmaj.150674