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Showing 1-10 of 64

Journal Article

13/05/2016

Wait times to rheumatology care for patients with rheumatic diseases: a data linkage study of primary care EMRs and administrative data

Widdifield J, Bernatsky S, Thorne JC, Bombardier C, Jaakkimainen RL, Wing L, Paterson JM, Ivers N, Butt D, Lyddiatt A, Hofstetter C, Ahluwalia V, Tu K. CMAJ Open. 2016; 4(2):E205-12.

Journal Article

15/02/2016

The longterm impact of early intensive treatment of seniors with rheumatoid arthritis: a comparison of 2 population-based cohort studies on time to joint replacement surgery

Widdifield J, Moura CS, Wang Y, Abrahamowicz M, Paterson JM, Huang A, Beauchamp ME, Boire G, Fortin PR, Bessette L, Bombardier C, Hanly JG, Feldman D, Bernatsky S; Canadian Network for Advanced Interdisciplinary Methods for Comparative Effectiveness Research (CAN-AIM). J Rheumatol. 2016; 43(5):861-8. Epub 2016 Feb 15.

Journal Article

27/10/2015

Epidemiology of myasthenia gravis in Ontario, Canada

Breiner A, Widdifield J, Katzberg HD, Barnett C, Bril V, Tu K. Neuromuscul Disord. 2016; 26(1):41-6. Epub 2015 Oct 27.

Journal Article

01/10/2015

Rheumatoid arthritis surveillance in Ontario: monitoring the burden, quality of care and patient outcomes through linkage of administrative health data

Widdifield J, Bernatsky S, Bombardier C, Paterson M. Healthc Q. 2015; 18(3):7-10.

Journal Article

26/01/2015

Trends in excess mortality among patients with rheumatoid arthritis in Ontario, Canada

Widdifield J, Bernatsky S, Paterson JM, Tomlinson G, Tu K, Kuriya B, Thorne JC, Pope JE, Hollands S, Bombardier C. Arthritis Care Res (Hoboken). 2015; 67(8):1047-53. Epub 2015 Jan 26.

Journal Article

12/11/2014

Development and validation of an administrative data algorithm to estimate the disease burden and epidemiology of multiple sclerosis in Ontario, Canada

Widdifield J, Ivers NM, Young J, Green D, Jaakkimainen L, Butt DA, O'Connor P, Hollands S, Tu K. Mult Scler. 2015; 21(8):1045-54. Epub 2014 Nov 12.

Journal Article

23/06/2014

An administrative data validation study of the accuracy of algorithms for identifying rheumatoid arthritis: the influence of the reference standard on algorithm performance

Widdifield J, Bombardier C, Bernatsky S, Paterson JM, Green D, Young J, Ivers N, Butt DA, Jaakkimainen RL, Thorne JC, Tu K. BMC Musculoskelet Disord. 2014; 15:216.

Journal Article

31/01/2014

The rising burden of rheumatoid arthritis surpasses rheumatology supply in Ontario

Widdifield J, Paterson JM, Bernatsky S, Tu K, Thorne JC, Ahluwalia V, Ivers N, Butt D, Jaakkimainen RL, Tomlinson G, Bombardier C. Can J Public Health. 2013; 104(7):450-5. Epub 2013 Oct 31.

Journal Article

31/01/2014

Access to rheumatologists among patients with newly diagnosed rheumatoid arthritis in a Canadian universal public healthcare system

Widdifield J, Paterson JM, Bernatsky S, Tu K, Thorne JC, Ivers N, Butt D, Jaakkimainen RL, Gunraj N, Ahluwalia V, Bombardier C. BMJ Open. 2014; 4:e003888.

Journal Article

10/12/2013

The epidemiology of rheumatoid arthritis in Ontario, Canada

Widdifield J, Paterson JM, Bernatsky S, Tu K, Tomlinson G, Kuriya B, Thorne JC, Bombardier C. Arthritis Rheumatol. 2014; 66(4):786-93. Epub 2014 Mar 1.

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Wait times to rheumatology care for patients with rheumatic diseases: a data linkage study of primary care EMRs and administrative data

The longterm impact of early intensive treatment of seniors with rheumatoid arthritis: a comparison of 2 population-based cohort studies on time to joint replacement surgery

Epidemiology of myasthenia gravis in Ontario, Canada

Rheumatoid arthritis surveillance in Ontario: monitoring the burden, quality of care and patient outcomes through linkage of administrative health data

Trends in excess mortality among patients with rheumatoid arthritis in Ontario, Canada

Development and validation of an administrative data algorithm to estimate the disease burden and epidemiology of multiple sclerosis in Ontario, Canada

An administrative data validation study of the accuracy of algorithms for identifying rheumatoid arthritis: the influence of the reference standard on algorithm performance

The rising burden of rheumatoid arthritis surpasses rheumatology supply in Ontario

Access to rheumatologists among patients with newly diagnosed rheumatoid arthritis in a Canadian universal public healthcare system

The epidemiology of rheumatoid arthritis in Ontario, Canada