|Coding algorithms for defining comorbidities in ICD-9-CM and ICD-10 administrative data|
H Quan, V Sundararajan, P Halfon, A Fong, B Burnand, JC Luthi, ...
Medical care, 1130-1139, 2005
|Increasing incidence and prevalence of the inflammatory bowel diseases with time, based on systematic review|
NA Molodecky, S Soon, DM Rabi, WA Ghali, M Ferris, G Chernoff, ...
Gastroenterology 142 (1), 46-54. e42, 2012
|The Canadian Adverse Events Study: the incidence of adverse events among hospital patients in Canada|
GR Baker, PG Norton, V Flintoft, R Blais, A Brown, J Cox, E Etchells, ...
Cmaj 170 (11), 1678-1686, 2004
|Active smoking and the risk of type 2 diabetes: a systematic review and meta-analysis|
C Willi, P Bodenmann, WA Ghali, PD Faris, J Cornuz
Jama 298 (22), 2654-2664, 2007
|Association of alcohol consumption with selected cardiovascular disease outcomes: a systematic review and meta-analysis|
PE Ronksley, SE Brien, BJ Turner, KJ Mukamal, WA Ghali
Bmj 342, d671, 2011
|New ICD-10 version of the Charlson comorbidity index predicted in-hospital mortality|
V Sundararajan, T Henderson, C Perry, A Muggivan, H Quan, WA Ghali
Journal of clinical epidemiology 57 (12), 1288-1294, 2004
|Physician wellness: a missing quality indicator|
JE Wallace, JB Lemaire, WA Ghali
The Lancet 374 (9702), 1714-1721, 2009
|D-dimer for the exclusion of acute venous thrombosis and pulmonary embolism: a systematic review|
PD Stein, RD Hull, KC Patel, RE Olson, WA Ghali, R Brant, RK Biel, ...
Annals of internal medicine 140 (8), 589-602, 2004
|Why do patients with atrial fibrillation not receive warfarin?|
TJ Bungard, WA Ghali, KK Teo, FA McAlister, RT Tsuyuki
Archives of internal medicine 160 (1), 41-46, 2000
|Effect of alcohol consumption on biological markers associated with risk of coronary heart disease: systematic review and meta-analysis of interventional studies|
SE Brien, PE Ronksley, BJ Turner, KJ Mukamal, WA Ghali
Bmj 342, d636, 2011
|Validity of information on comorbidity derived from ICD-9-CCM administrative data|
H Quan, GA Parsons, WA Ghali
Medical care, 675-685, 2002
|Dealing with missing data in a multi-question depression scale: a comparison of imputation methods|
FM Shrive, H Stuart, H Quan, WA Ghali
BMC medical research methodology 6 (1), 57, 2006
|A comprehensive view of sex-specific issues related to cardiovascular disease|
L Pilote, K Dasgupta, V Guru, KH Humphries, J McGrath, C Norris, D Rabi, ...
Cmaj 176 (6), S1-S44, 2007
|Assessing validity of ICD‐9‐CM and ICD‐10 administrative data in recording clinical conditions in a unique dually coded database|
H Quan, B Li, L Duncan Saunders, GA Parsons, CI Nilsson, A Alibhai, ...
Health services research 43 (4), 1424-1441, 2008
|Comparison of the Elixhauser and Charlson/Deyo methods of comorbidity measurement in administrative data|
DA Southern, H Quan, WA Ghali
Medical care, 355-360, 2004
|Cost analysis of ongoing care of patients with end-stage renal disease: the impact of dialysis modality and dialysis access|
H Lee, B Manns, K Taub, WA Ghali, S Dean, D Johnson, C Donaldson
American Journal of Kidney Diseases 40 (3), 611-622, 2002
|Exploring physician specialist response rates to web-based surveys|
CT Cunningham, H Quan, B Hemmelgarn, T Noseworthy, CA Beck, ...
BMC medical research methodology 15 (1), 32, 2015
|Survival after coronary revascularization in the elderly|
MM Graham, WA Ghali, PD Faris, PD Galbraith, CM Norris, ML Knudtson
Circulation 105 (20), 2378-2384, 2002
|Early risk of stroke after transient ischemic attack: a systematic review and meta-analysis|
CM Wu, K McLaughlin, DL Lorenzetti, MD Hill, BJ Manns, WA Ghali
Archives of internal medicine 167 (22), 2417-2422, 2007
|The association among renal insufficiency, pharmacotherapy, and outcomes in 6,427 patients with heart failure and coronary artery disease|
J Ezekowitz, FA McAlister, KH Humphries, CM Norris, M Tonelli, WA Ghali, ...
Journal of the American College of Cardiology 44 (8), 1587-1592, 2004