Varied definitions of hospital volume did not alter the conclusions of volume-outcome analyses
Kulkarni GS, Laupacis A, Urbach DR, Fleshner NE, Austin PC. J Clin Epidemiol. 2009; 62(4):400-7. Epub 2008 Nov 14.
Publications
The efficiency and effectiveness of utilizing diagrams in interviews: an assessment of participatory diagramming and graphic elicitation
Umoquit MJ, Dobrow MJ, Lemieux-Charles L, Ritvo PG, Urbach DR, Wodchis WP. BMC Med Res Methodol. 2008; 8:53
Challenges in multidisciplinary cancer care among general surgeons in Canada
Gagliardi AR, Wright FC, Davis D, McLeod RS, Urbach DR. BMC Med Inform Decis Mak. 2008; 8:59.
Regional variation in surgery for gastroesophageal reflux disease in Ontario
Lopushinsky SR, Austin PC, Rabeneck L, Kulkarni GS, Urbach DR. Surg Innov. 2007; 14(1):35-40.
Accuracy of administrative health data for the diagnosis of upper gastrointestinal diseases
Lopushinsky SR, Covarrubia KA, Rabeneck L, Austin PC, Urbach DR. Surg Endosc. 2007; 21(10):1733-7. Epub 2007 Feb 8.
Surgeon volumes and selected patient outcomes in cataract surgery
Bell CM, Hatch WV, Cernat G, Urbach DR. Ophthalmology. 2007; 114(3):405-10. Epub 2006 Dec 14.
Potentially unintended discontinuation of long-term medication use after elective surgical procedures
Bell CM, Bajcar J, Bierman AS, Li P, Mamdani MM, Urbach DR. Arch Intern Med. 2006; 166(22):2525-31.
Pneumatic dilatation and surgical myotomy for achalasia
Lopushinsky SR, Urbach DR. JAMA. 2006; 296(18):2227-33.
Rate of elective cholecystectomy and the incidence of severe gallstone disease
Urbach DR, Stukel TA. CMAJ. 2005; 172(8):1015-9.
Does it matter what a hospital is “high volume” for? Specificity of hospital volume-outcome associations for surgical procedures: analysis of administrative data
Urbach DR, Baxter NN. Qual Saf Healthcare. 2004; 13(5):379-83.