Published in BMC Med Res Methodol on January 23, 2008
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Sex, socioeconomic status, access to cardiac catheterization, and outcomes for acute coronary syndromes in the context of universal healthcare coverage. Circ Cardiovasc Qual Outcomes (2014) 0.85
Characterizing types of readmission after acute coronary syndrome hospitalization: implications for quality reporting. J Am Heart Assoc (2014) 0.84
Association between Infant Feeding and Early Postpartum Infant Body Composition: A Pilot Prospective Study. Int J Pediatr (2009) 0.77
Charts versus Discharge ICD-10 Coding for Sternal Wound Infection Following Coronary Artery Bypass Grafting. Perspect Health Inf Manag (2015) 0.77
Relationships among achieved heart rate, β-blocker dose and long-term outcomes in patients with heart failure with atrial fibrillation. Open Heart (2016) 0.75
Validity of Canadian discharge abstract data for hypertension and diabetes from 2002 to 2013. CMAJ Open (2016) 0.75
Area Median Income and Metropolitan Versus Nonmetropolitan Location of Care for Acute Coronary Syndromes: A Complex Interaction of Social Determinants. J Am Heart Assoc (2016) 0.75
Adapting a clinical comorbidity index for use with ICD-9-CM administrative databases. J Clin Epidemiol (1992) 60.45
Coding algorithms for defining comorbidities in ICD-9-CM and ICD-10 administrative data. Med Care (2005) 30.41
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Validity of information on comorbidity derived rom ICD-9-CCM administrative data. Med Care (2002) 5.92
Overview of the Alberta Provincial Project for Outcome Assessment in Coronary Heart Disease. On behalf of the APPROACH investigators. Can J Cardiol (2000) 2.83
Multiple imputation versus data enhancement for dealing with missing data in observational health care outcome analyses. J Clin Epidemiol (2002) 1.65
Dealing with missing data in observational health care outcome analyses. J Clin Epidemiol (2000) 1.49
Relation of T-axis abnormalities to coronary artery disease and survival after cardiac catheterization. Am J Cardiol (2005) 1.48
Individual-level and neighborhood-level income measures: agreement and association with outcomes in a cardiac disease cohort. Med Care (2005) 1.39
Revascularization use and survival outcomes after cardiac catheterization in British Columbia and Alberta. Can J Cardiol (2004) 0.97
Association between completeness of percutaneous coronary revascularization and postprocedure outcomes. Am Heart J (2005) 0.93
Coding algorithms for defining comorbidities in ICD-9-CM and ICD-10 administrative data. Med Care (2005) 30.41
The Canadian Adverse Events Study: the incidence of adverse events among hospital patients in Canada. CMAJ (2004) 21.24
Increasing incidence and prevalence of the inflammatory bowel diseases with time, based on systematic review. Gastroenterology (2011) 12.09
Daclatasvir plus sofosbuvir for previously treated or untreated chronic HCV infection. N Engl J Med (2014) 9.25
Active smoking and the risk of type 2 diabetes: a systematic review and meta-analysis. JAMA (2007) 7.79
New ICD-10 version of the Charlson comorbidity index predicted in-hospital mortality. J Clin Epidemiol (2004) 7.20
Genome-wide association study in a Chinese Han population identifies nine new susceptibility loci for systemic lupus erythematosus. Nat Genet (2009) 6.42
D-dimer for the exclusion of acute venous thrombosis and pulmonary embolism: a systematic review. Ann Intern Med (2004) 6.15
Association of alcohol consumption with selected cardiovascular disease outcomes: a systematic review and meta-analysis. BMJ (2011) 6.11
Validity of information on comorbidity derived rom ICD-9-CCM administrative data. Med Care (2002) 5.92
Physician wellness: a missing quality indicator. Lancet (2009) 5.50
A modification of the Elixhauser comorbidity measures into a point system for hospital death using administrative data. Med Care (2009) 5.13
Comparison of the Elixhauser and Charlson/Deyo methods of comorbidity measurement in administrative data. Med Care (2004) 5.12
Acetylcysteine in the prevention of contrast-induced nephropathy: a case study of the pitfalls in the evolution of evidence. Arch Intern Med (2006) 4.90
Assessing validity of ICD-9-CM and ICD-10 administrative data in recording clinical conditions in a unique dually coded database. Health Serv Res (2008) 4.25
Validity of procedure codes in International Classification of Diseases, 9th revision, clinical modification administrative data. Med Care (2004) 4.15
The mammalian exosome mediates the efficient degradation of mRNAs that contain AU-rich elements. EMBO J (2002) 4.13
The reporting of methodological factors in randomized controlled trials and the association with a journal policy to promote adherence to the Consolidated Standards of Reporting Trials (CONSORT) checklist. Control Clin Trials (2002) 3.62
Adapting the Charlson Comorbidity Index for use in patients with ESRD. Am J Kidney Dis (2003) 3.60
Psoriasis genome-wide association study identifies susceptibility variants within LCE gene cluster at 1q21. Nat Genet (2009) 3.59
Percutaneous transarterial aortic valve replacement in selected high-risk patients with aortic stenosis. Circulation (2007) 3.44
Body mass index and mortality in heart failure: a meta-analysis. Am Heart J (2008) 3.25
Survival after coronary revascularization in the elderly. Circulation (2002) 3.17
A role for small RNAs in DNA double-strand break repair. Cell (2012) 3.15
Chelation therapy for ischemic heart disease: a randomized controlled trial. JAMA (2002) 3.13
Cost analysis of ongoing care of patients with end-stage renal disease: the impact of dialysis modality and dialysis access. Am J Kidney Dis (2002) 3.06
Early risk of stroke after transient ischemic attack: a systematic review and meta-analysis. Arch Intern Med (2007) 3.06
Development of an online tool to determine appropriateness for an epilepsy surgery evaluation. Neurology (2012) 2.97
Dealing with missing data in a multi-question depression scale: a comparison of imputation methods. BMC Med Res Methodol (2006) 2.81
From a national, centrally planned health system to a system based on the market: lessons from China. Health Aff (Millwood) (2008) 2.79
Validation of a case definition to define hypertension using administrative data. Hypertension (2009) 2.74
Characteristics and outcomes of patients with acute myocardial infarction and angiographically normal coronary arteries. Am J Cardiol (2005) 2.69
Polymorphisms in interleukin-15 gene on chromosome 4q31.2 are associated with psoriasis vulgaris in Chinese population. J Invest Dermatol (2007) 2.59
Identification of hepatitis C virus NS5A inhibitors. J Virol (2010) 2.58
An observational study found that authors of randomized controlled trials frequently use concealment of randomization and blinding, despite the failure to report these methods. J Clin Epidemiol (2004) 2.58
Statins are associated with better outcomes after carotid endarterectomy in symptomatic patients. Stroke (2005) 2.50
Resistance analysis of the hepatitis C virus NS5A inhibitor BMS-790052 in an in vitro replicon system. Antimicrob Agents Chemother (2010) 2.50
Activation of the E3 ubiquitin ligase Itch through a phosphorylation-induced conformational change. Proc Natl Acad Sci U S A (2006) 2.49
The association among renal insufficiency, pharmacotherapy, and outcomes in 6,427 patients with heart failure and coronary artery disease. J Am Coll Cardiol (2004) 2.32
Hospital and surgeon determinants of carotid endarterectomy outcomes. Arch Neurol (2002) 2.30
Cardiac rehabilitation attendance and outcomes in coronary artery disease patients. Circulation (2012) 2.30
Impact of a baseline polymorphism on the emergence of resistance to the hepatitis C virus nonstructural protein 5A replication complex inhibitor, BMS-790052. Hepatology (2012) 2.29
The potential economic impact of restricted access to angiotensin-receptor blockers. CMAJ (2011) 2.22
True versus reported waiting times for valvular aortic stenosis surgery. Can J Cardiol (2006) 2.21
Effectiveness of interventions targeting frequent users of emergency departments: a systematic review. Ann Emerg Med (2011) 2.19
Development of a frailty index for patients with coronary artery disease. J Am Geriatr Soc (2010) 2.18
CKD and risk of hospitalization and death with pneumonia. Am J Kidney Dis (2009) 2.17
Cross-national comparative performance of three versions of the ICD-10 Charlson index. Med Care (2007) 2.14
Risk adjustment performance of Charlson and Elixhauser comorbidities in ICD-9 and ICD-10 administrative databases. BMC Health Serv Res (2008) 2.12
Current perspectives on coronary chronic total occlusions: the Canadian Multicenter Chronic Total Occlusions Registry. J Am Coll Cardiol (2012) 2.11
Significant improvement in short-term mortality in women undergoing coronary artery bypass surgery (1991 to 2004). J Am Coll Cardiol (2007) 2.11
Outcomes after aortic and mitral valve replacement surgery in Canada: 1994/95 to 1999/2000. Can J Cardiol (2004) 2.11
Genotypic and phenotypic analysis of variants resistant to hepatitis C virus nonstructural protein 5A replication complex inhibitor BMS-790052 in humans: in vitro and in vivo correlations. Hepatology (2011) 2.10
Defining the optimal treatment of locally advanced esophageal cancer: a systematic review and decision analysis. Ann Thorac Surg (2007) 2.06
Coronary revascularization for patients with severe left ventricular dysfunction. Ann Thorac Surg (2013) 2.06
Aspirin use and outcomes in a community-based cohort of 7352 patients discharged after first hospitalization for heart failure. Circulation (2006) 2.05
Sex differences in access to coronary revascularization after cardiac catheterization: importance of detailed clinical data. Ann Intern Med (2002) 2.03
Long-term trends in use of and expenditures for cardiovascular medications in Canada. CMAJ (2009) 2.02
Transcatheter aortic valve implantation: impact on clinical and valve-related outcomes. Circulation (2009) 2.00
Rural and urban disparity in health services utilization in China. Med Care (2007) 1.98
Prevention and management of transcatheter balloon-expandable aortic valve malposition. Catheter Cardiovasc Interv (2008) 1.98
Overview of a formal scoping review on health system report cards. Implement Sci (2010) 1.95
The impact of the electronic medical record on structure, process, and outcomes within primary care: a systematic review of the evidence. J Am Med Inform Assoc (2011) 1.94
Development of a cell-based high-throughput specificity screen using a hepatitis C virus-bovine viral diarrhea virus dual replicon assay. Antimicrob Agents Chemother (2005) 1.94
Access to health care among status Aboriginal people with chronic kidney disease. CMAJ (2008) 1.91
Associations between acute kidney injury and cardiovascular and renal outcomes after coronary angiography. Circulation (2011) 1.85
Multiple ascending dose study of BMS-790052, a nonstructural protein 5A replication complex inhibitor, in patients infected with hepatitis C virus genotype 1. Hepatology (2011) 1.83
Role of echocardiography in percutaneous aortic valve implantation. JACC Cardiovasc Imaging (2008) 1.82
Association of socio-economic status with diabetes prevalence and utilization of diabetes care services. BMC Health Serv Res (2006) 1.80