Published in Int J Rheumatol on October 19, 2011
Validity of health plan and birth certificate data for pregnancy research. Pharmacoepidemiol Drug Saf (2012) 1.20
Antirheumatic drugs and reproduction in women and men with chronic arthritis. RMD Open (2015) 0.75
Four Pathways Involving Innate Immunity in the Pathogenesis of Preeclampsia. Front Cardiovasc Med (2015) 0.75
Systemic lupus erythematosus: strategies to improve pregnancy outcomes. Int J Womens Health (2016) 0.75
Measuring diagnoses: ICD code accuracy. Health Serv Res (2005) 6.72
Rheumatoid arthritis and birth outcomes: a Danish and Swedish nationwide prevalence study. J Intern Med (2010) 1.71
A national study of the complications of lupus in pregnancy. Am J Obstet Gynecol (2008) 1.68
Disease activity of rheumatoid arthritis during pregnancy: results from a nationwide prospective study. Arthritis Rheum (2008) 1.64
Pregnancy and delivery in women with chronic inflammatory arthritides with a specific focus on first birth. Arthritis Rheum (2011) 1.60
Association of rheumatologic disease with preeclampsia. Obstet Gynecol (2004) 1.60
Obstetric hospitalizations in the United States for women with systemic lupus erythematosus and rheumatoid arthritis. Arthritis Rheum (2006) 1.36
The implications of autoimmunity and pregnancy. J Autoimmun (2009) 1.28
Increased risk of adverse pregnancy outcomes in women with rheumatoid arthritis: a nationwide population-based study. Ann Rheum Dis (2009) 1.07
Pregnancy outcomes in women with rheumatoid arthritis in Washington State. Matern Child Health J (2006) 1.00
Rheumatoid arthritis and reproduction. Rheum Dis Clin North Am (2007) 0.95
The effect of lupus nephritis on pregnancy outcome and fetal and maternal complications. J Rheumatol (2010) 0.94
Women with inflammatory polyarthritis have babies of lower birth weight. J Rheumatol (2001) 0.92
Rheumatoid arthritis and pregnancy: where do we go from here? J Intern Med (2010) 0.80
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
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
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
Survival after coronary revascularization in the elderly. Circulation (2002) 3.17
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
Statins are associated with better outcomes after carotid endarterectomy in symptomatic patients. Stroke (2005) 2.50
Hospital and surgeon determinants of carotid endarterectomy outcomes. Arch Neurol (2002) 2.30
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
Outcomes after aortic and mitral valve replacement surgery in Canada: 1994/95 to 1999/2000. Can J Cardiol (2004) 2.11
Sex differences in access to coronary revascularization after cardiac catheterization: importance of detailed clinical data. Ann Intern Med (2002) 2.03
Rural and urban disparity in health services utilization in China. Med Care (2007) 1.98
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
Access to health care among status Aboriginal people with chronic kidney disease. CMAJ (2008) 1.91
Sex differences in outcomes after cardiac catheterization: effect modification by treatment strategy and time. JAMA (2004) 1.79
Population rates of cardiac catheterization and yield of high-risk coronary artery disease. CMAJ (2005) 1.64
Measuring agreement of administrative data with chart data using prevalence unadjusted and adjusted kappa. BMC Med Res Methodol (2009) 1.62
Diagnosed hypertension in Canada: incidence, prevalence and associated mortality. CMAJ (2011) 1.62
Validating ICD coding algorithms for diabetes mellitus from administrative data. Diabetes Res Clin Pract (2010) 1.60
Kaplan-Meier methods yielded misleading results in competing risk scenarios. J Clin Epidemiol (2006) 1.58
Beta-blockers and angiotensin-converting enzyme inhibitors/receptor blockers prescriptions after hospital discharge for heart failure are associated with decreased mortality in Alberta, Canada. J Am Coll Cardiol (2003) 1.56
How accurate is ICD coding for epilepsy? Epilepsia (2009) 1.54
Accuracy of city postal code coordinates as a proxy for location of residence. Int J Health Geogr (2004) 1.52
Recommendations for optimal ICD codes to study neurologic conditions: a systematic review. Neurology (2012) 1.51
Follow-through after calling a nurse telephone advice line: a population-based study. Fam Pract (2010) 1.50
Prevalence of chronic kidney disease and survival among aboriginal people. J Am Soc Nephrol (2007) 1.47
Identifying priorities in methodological research using ICD-9-CM and ICD-10 administrative data: report from an international consortium. BMC Health Serv Res (2006) 1.45
ICD-10 coding algorithms for defining comorbidities of acute myocardial infarction. BMC Health Serv Res (2006) 1.44
Assessing record linkage between health care and Vital Statistics databases using deterministic methods. BMC Health Serv Res (2006) 1.44
Reduced health resource use after acupuncture for low-back pain. J Altern Complement Med (2011) 1.43
Trends in antihypertensive drug prescriptions and physician visits in Canada between 1996 and 2006. Can J Cardiol (2008) 1.43
Comparison and validity of procedures coded With ICD-9-CM and ICD-10-CA/CCI. Med Care (2008) 1.42
Association of postoperative complications with hospital costs and length of stay in a tertiary care center. J Gen Intern Med (2006) 1.42
Importance of the imaging modality in decision making about carotid endarterectomy. Neurology (2004) 1.38
A systematic review of interventions to increase breast and cervical cancer screening uptake among Asian women. BMC Public Health (2012) 1.38
Variations in rates of appropriate and inappropriate carotid endarterectomy for stroke prevention in 4 Canadian provinces. CMAJ (2004) 1.36
Improved accuracy of co-morbidity coding over time after the introduction of ICD-10 administrative data. BMC Health Serv Res (2011) 1.35
Patterns of care and outcomes differ for urban versus rural patients with newly diagnosed heart failure, even in a universal healthcare system. Circ Heart Fail (2011) 1.35
Trends in heart failure care: has the incident diagnosis of heart failure shifted from the hospital to the emergency department and outpatient clinics? Eur J Heart Fail (2010) 1.35
Administrative data have high variation in validity for recording heart failure. Can J Cardiol (2010) 1.32
Male and female adult population health status in China: a cross-sectional national survey. BMC Public Health (2008) 1.31
A comparison between the APACHE II and Charlson Index Score for predicting hospital mortality in critically ill patients. BMC Health Serv Res (2009) 1.30
The development, evolution, and modifications of ICD-10: challenges to the international comparability of morbidity data. Med Care (2010) 1.27
Application of patient safety indicators internationally: a pilot study among seven countries. Int J Qual Health Care (2009) 1.25
Mining administrative health databases to advance medical science: geographical considerations and untapped potential in Canada. Can J Cardiol (2012) 1.23
Resource use in the last 6 months of life among patients with heart failure in Canada. Arch Intern Med (2010) 1.23
Why many visible minority women in Canada do not participate in cervical cancer screening. Ethn Health (2009) 1.19
Predicting in-hospital mortality in patients with cirrhosis: results differ across risk adjustment methods. Hepatology (2009) 1.17
Characteristics of hypertensive Canadians not receiving drug therapy. Can J Cardiol (2008) 1.16
Ethnicity and sex affect diabetes incidence and outcomes. Diabetes Care (2010) 1.14
Development of an online tool to determine appropriateness for an epilepsy surgery evaluation. Neurology (2013) 1.13
The Alberta Hip and Knee Replacement Project: a model for health technology assessment based on comparative effectiveness of clinical pathways. Int J Technol Assess Health Care (2009) 1.13
ICD-11 for quality and safety: overview of the WHO Quality and Safety Topic Advisory Group. Int J Qual Health Care (2013) 1.11
Outcomes after acute myocardial infarction in South Asian, Chinese, and white patients. Circulation (2010) 1.11
Authors' opinions on publication in relation to annual performance assessment. BMC Med Educ (2010) 1.10
Development of an epilepsy-specific risk adjustment comorbidity index. Epilepsia (2011) 1.09
Sex differentials in the use of centres for voluntary counselling and testing for HIV in Cameroon. Afr J AIDS Res (2009) 1.09
Provincial carotid endarterectomy outcomes. Can J Neurol Sci (2002) 1.09
Development and validation of a case definition for epilepsy for use with administrative health data. Epilepsy Res (2012) 1.05
Comparing three measures of health status (perceived health with Likert-type scale, EQ-5D, and number of chronic conditions) in Chinese and white Canadians. Med Care (2007) 1.04
Validating a case definition for chronic kidney disease using administrative data. Nephrol Dial Transplant (2011) 1.03
Do coder characteristics influence validity of ICD-10 hospital discharge data? BMC Health Serv Res (2010) 1.03
Clinical manifestations of tension pneumothorax: protocol for a systematic review and meta-analysis. Syst Rev (2014) 1.02
Location of residence associated with the likelihood of patient visit to the preoperative assessment clinic. BMC Health Serv Res (2006) 1.02
Epidemiology and natural history of primary biliary cirrhosis in a Canadian health region: a population-based study. Hepatology (2009) 1.01
Case definitions for acute myocardial infarction in administrative databases and their impact on in-hospital mortality rates. Health Serv Res (2012) 1.00
Chinese and white Canadian satisfaction and compliance with physicians. BMC Fam Pract (2007) 1.00
Child health insurance coverage: a survey among temporary and permanent residents in Shanghai. BMC Health Serv Res (2008) 1.00
Misclassification of income quintiles derived from area-based measures. A comparison of enumeration area and forward sortation area. Can J Public Health (2002) 0.99
Risk of comorbidities on postoperative outcomes in patients with inflammatory bowel disease. Arch Surg (2011) 0.99
Comparing public and private hospitals in China: evidence from Guangdong. BMC Health Serv Res (2010) 0.99
Coding of obesity in administrative hospital discharge abstract data: accuracy and impact for future research studies. BMC Health Serv Res (2014) 0.99
Incidence of gestational hypertension in the Calgary Health Region from 1995 to 2004. Can J Cardiol (2009) 0.98
Ethnic differences in the use of prescription drugs: a cross-sectional analysis of linked survey and administrative data. Open Med (2011) 0.98
Incidence of primary sclerosing cholangitis: a systematic review and meta-analysis. Hepatology (2011) 0.97
Surveillance of ischemic heart disease should include physician billing claims: population-based evidence from administrative health data across seven Canadian provinces. BMC Cardiovasc Disord (2013) 0.97
A home study-based spirituality education program decreases emotional distress and increases quality of life--a randomized, controlled trial. Altern Ther Health Med (2006) 0.97
Ethnic and sex differences in the incidence of hospitalized acute myocardial infarction: British Columbia, Canada 1995-2002. BMC Cardiovasc Disord (2010) 0.97
Utilization of a preoperative assessment clinic in a tertiary care centre. Clin Invest Med (2002) 0.97
Impact of liver disease, alcohol abuse, and unintentional ingestions on the outcomes of acetaminophen overdose. Clin Gastroenterol Hepatol (2008) 0.97
Outcomes associated with bilateral internal thoracic artery grafting: the importance of age. Ann Thorac Surg (2011) 0.96
Outcomes after coronary artery bypass graft surgery in Canada: 1992/93 to 2000/01. Can J Cardiol (2003) 0.96
Validity of administrative data for the diagnosis of primary sclerosing cholangitis: a population-based study. Liver Int (2011) 0.96
Postoperative complications following colectomy for ulcerative colitis: a validation study. BMC Gastroenterol (2012) 0.96
Implementation of ICD-10 in Canada: how has it impacted coded hospital discharge data? BMC Health Serv Res (2012) 0.96
Incidence of heart failure and mortality after acute coronary syndromes. Am Heart J (2013) 0.95
Diagnostic accuracy of computed tomographic angiography for blunt cerebrovascular injury detection in trauma patients: a systematic review and meta-analysis. Ann Surg (2013) 0.95
Cardiovascular risk factors in ethnic populations within Canada: results from national cross-sectional surveys. Open Med (2010) 0.95
Hospitalizations for acetaminophen overdose: a Canadian population-based study from 1995 to 2004. BMC Public Health (2007) 0.95
Ethnic variation in acute myocardial infarction presentation and access to care. Am J Cardiol (2009) 0.94
Patient expectations of emergency department care: phase II--a cross-sectional survey. CJEM (2006) 0.94