| Identification of physician-diagnosed Alzheimer’s disease and related dementias in population-based administrative data: a validation study using family physicians’ electronic … RL Jaakkimainen, SE Bronskill, MC Tierney, N Herrmann, D Green, ... Journal of Alzheimer's Disease 54 (1), 337-349, 2016 | 266 | 2016 |
| Serious infections in a population‐based cohort of 86,039 seniors with rheumatoid arthritis J Widdifield, S Bernatsky, JM Paterson, N Gunraj, JC Thorne, J Pope, ... Arthritis care & research 65 (3), 353-361, 2013 | 236 | 2013 |
| Epidemiology of myasthenia gravis in Ontario, Canada A Breiner, J Widdifield, HD Katzberg, C Barnett, V Bril, K Tu Neuromuscular Disorders 26 (1), 41-46, 2016 | 162 | 2016 |
| The epidemiology of rheumatoid arthritis in Ontario, Canada J Widdifield, JM Paterson, S Bernatsky, K Tu, G Tomlinson, B Kuriya, ... Arthritis & rheumatology 66 (4), 786-793, 2014 | 162 | 2014 |
| Accuracy of Canadian health administrative databases in identifying patients with rheumatoid arthritis: a validation study using the medical records of rheumatologists J Widdifield, S Bernatsky, JM Paterson, K Tu, R Ng, JC Thorne, JE Pope, ... Arthritis care & research 65 (10), 1582-1591, 2013 | 154 | 2013 |
| An administrative data validation study of the accuracy of algorithms for identifying rheumatoid arthritis: the influence of the reference standard on algorithm performance J Widdifield, C Bombardier, S Bernatsky, JM Paterson, D Green, J Young, ... BMC musculoskeletal disorders 15, 1-9, 2014 | 122 | 2014 |
| Causes of death in rheumatoid arthritis: how do they compare to the general population? J Widdifield, JM Paterson, A Huang, S Bernatsky Arthritis care & research 70 (12), 1748-1755, 2018 | 110 | 2018 |
| Trends in the prevalence and incidence of psoriasis and psoriatic arthritis in Ontario, Canada: a population‐based study L Eder, J Widdifield, CF Rosen, R Cook, KA Lee, R Alhusayen, ... Arthritis care & research 71 (8), 1084-1091, 2019 | 108 | 2019 |
| Trends in excess mortality among patients with rheumatoid arthritis in Ontario, Canada J Widdifield, S Bernatsky, JM Paterson, G Tomlinson, K Tu, B Kuriya, ... Arthritis care & research 67 (8), 1047-1053, 2015 | 103 | 2015 |
| Early medication use in new-onset rheumatoid arthritis may delay joint replacement: results of a large population-based study CS Moura, M Abrahamowicz, ME Beauchamp, D Lacaille, Y Wang, ... Arthritis research & therapy 17, 1-9, 2015 | 100 | 2015 |
| Development and validation of an administrative data algorithm to estimate the disease burden and epidemiology of multiple sclerosis in Ontario, Canada J Widdifield, NM Ivers, J Young, D Green, L Jaakkimainen, DA Butt, ... Multiple Sclerosis Journal 21 (8), 1045-1054, 2015 | 95 | 2015 |
| Quality care in seniors with new‐onset rheumatoid arthritis: a Canadian perspective J Widdifield, S Bernatsky, JM Paterson, JC Thorne, A Cividino, J Pope, ... Arthritis care & research 63 (1), 53-57, 2011 | 81 | 2011 |
| Development of system-level performance measures for evaluation of models of care for inflammatory arthritis in Canada CEH Barber, DA Marshall, DP Mosher, P Akhavan, L Tucker, K Houghton, ... The Journal of rheumatology 43 (3), 530-540, 2016 | 78 | 2016 |
| Systematic review and critical appraisal of validation studies to identify rheumatic diseases in health administrative databases J Widdifield, J Labrecque, L Lix, JM Paterson, S Bernatsky, K Tu, N Ivers, ... Arthritis Care & Research 65 (9), 1490-1503, 2013 | 78 | 2013 |
| Are family physicians comprehensively using electronic medical records such that the data can be used for secondary purposes? A Canadian perspective K Tu, J Widdifield, J Young, W Oud, NM Ivers, DA Butt, CA Leaver, ... BMC medical informatics and decision making 15, 1-12, 2015 | 70 | 2015 |
| The rising burden of rheumatoid arthritis surpasses rheumatology supply in Ontario J Widdifield, JM Paterson, S Bernatsky, K Tu, JC Thorne, V Ahluwalia, ... Canadian journal of public health 104, e450-e455, 2013 | 66 | 2013 |
| Predictors of treatment failure for hip and knee prosthetic joint infections in the setting of 1-and 2-stage exchange arthroplasty: a multicenter retrospective cohort CE Kandel, R Jenkinson, N Daneman, D Backstein, BE Hansen, ... Open forum infectious diseases 6 (11), ofz452, 2019 | 61 | 2019 |
| Wait times to rheumatology care for patients with rheumatic diseases: a data linkage study of primary care electronic medical records and administrative data J Widdifield, S Bernatsky, JC Thorne, C Bombardier, RL Jaakkimainen, ... Canadian Medical Association Open Access Journal 4 (2), E205-E212, 2016 | 60 | 2016 |
| Comparison of anti-TNF treatment initiation in rheumatoid arthritis databases demonstrates wide country variability in patient parameters at initiation of anti-TNF therapy C Pease, JE Pope, D Truong, C Bombardier, J Widdifield, JC Thorne, ... Seminars in arthritis and rheumatism 41 (1), 81-89, 2011 | 54 | 2011 |
| Consensus statements for the use of administrative health data in rheumatic disease research and surveillance S Bernatsky, L Lix, S O’DONNELL, D Lacaille, C Network The Journal of rheumatology 40 (1), 66-73, 2013 | 42 | 2013 |
