Published in J Clin Epidemiol on January 05, 2011
Prognostic indices for older adults: a systematic review. JAMA (2012) 5.70
Outcomes after out-of-hospital cardiac arrest treated by basic vs advanced life support. JAMA Intern Med (2015) 4.04
Mortality associated with medical therapy versus elective colectomy in ulcerative colitis: a cohort study. Ann Intern Med (2014) 2.73
Association between the Medicare hospice benefit and health care utilization and costs for patients with poor-prognosis cancer. JAMA (2014) 2.26
The intersection of patient complexity, prescriber continuity and acute care utilization. J Gen Intern Med (2014) 1.90
Use and outcomes associated with long-acting bronchodilators among patients hospitalized for chronic obstructive pulmonary disease. Ann Am Thorac Soc (2014) 1.71
Development of a comorbidity index for use in obstetric patients. Obstet Gynecol (2013) 1.65
Developing a summary hospital mortality index: retrospective analysis in English hospitals over five years. BMJ (2012) 1.48
Effects of xanthine oxidase inhibitors on cardiovascular disease in patients with gout: a cohort study. Am J Med (2015) 1.42
Role of disease risk scores in comparative effectiveness research with emerging therapies. Pharmacoepidemiol Drug Saf (2012) 1.32
Outcomes associated with invasive and noninvasive ventilation among patients hospitalized with exacerbations of chronic obstructive pulmonary disease. JAMA Intern Med (2014) 1.22
Impact of Perioperative Epidural Placement on Postdischarge Opioid Use in Patients Undergoing Abdominal Surgery. Anesthesiology (2016) 1.08
Outcomes of Basic Versus Advanced Life Support for Out-of-Hospital Medical Emergencies. Ann Intern Med (2015) 1.02
Physician Characteristics Strongly Predict Patient Enrollment In Hospice. Health Aff (Millwood) (2015) 1.01
Risk of high-grade cervical dysplasia and cervical cancer in women with systemic inflammatory diseases: a population-based cohort study. Ann Rheum Dis (2014) 1.00
Endoscopic ultrasonography in esophageal cancer leads to improved survival rates: results from a population-based study. Cancer (2014) 0.97
Trends in mechanical ventilation among patients hospitalized with acute exacerbations of COPD in the United States, 2001 to 2011. Chest (2015) 0.95
Dipeptidyl peptidase-4 inhibitors do not increase the risk of cardiovascular events in type 2 diabetes: a cohort study. Acta Diabetol (2014) 0.94
Comparison of Comorbidity Scores in Predicting Surgical Outcomes. Med Care (2016) 0.90
Clinical and health care use characteristics of patients newly starting allopurinol, febuxostat, and colchicine for the treatment of gout. Arthritis Care Res (Hoboken) (2013) 0.89
Risk of incident diabetes in patients with gout: a cohort study. Arthritis Rheumatol (2015) 0.89
Patient-Centered Medical Home Implementation in the Veterans Health Administration and Primary Care Use: Differences by Patient Comorbidity Burden. J Gen Intern Med (2016) 0.88
Effectiveness of Screening Colonoscopy to Prevent Colorectal Cancer Among Medicare Beneficiaries Aged 70 to 79 Years: A Prospective Observational Study. Ann Intern Med (2016) 0.87
The risk of atrial fibrillation in patients with rheumatoid arthritis. Ann Rheum Dis (2013) 0.86
Dipeptidyl peptidase-4 inhibitors in type 2 diabetes may reduce the risk of autoimmune diseases: a population-based cohort study. Ann Rheum Dis (2014) 0.85
Hospital patterns of mechanical ventilation for patients with exacerbations of COPD. Ann Am Thorac Soc (2015) 0.85
The Association Between Neighborhood Environment and Mortality: Results from a National Study of Veterans. J Gen Intern Med (2016) 0.84
Who leaves the hospital against medical advice in the orthopaedic setting? Clin Orthop Relat Res (2014) 0.84
Perspective: the challenge of clinical decision-making for drug treatment in older people. The role of multidimensional assessment and prognosis. Front Med (Lausanne) (2015) 0.82
Adherence to oral bisphosphonates and the risk of subtrochanteric and femoral shaft fractures among female medicare beneficiaries. Osteoporos Int (2014) 0.82
The Drug Derived Complexity Index (DDCI) Predicts Mortality, Unplanned Hospitalization and Hospital Readmissions at the Population Level. PLoS One (2016) 0.82
Comorbidity polypharmacy score and its clinical utility: A pragmatic practitioner's perspective. J Emerg Trauma Shock (2015) 0.81
Extent and reasons for nonadherence to antihypertensive, cholesterol, and diabetes medications: the association with depressive symptom burden in a sample of American veterans. Patient Prefer Adherence (2015) 0.80
Evaluating comorbidity scores based on health service expenditures. Medicare Medicaid Res Rev (2012) 0.80
Risk of venous thromboembolism in patients with rheumatoid arthritis: initiating disease-modifying antirheumatic drugs. Am J Med (2014) 0.80
A modular, prospective, semi-automated drug safety monitoring system for use in a distributed data environment. Pharmacoepidemiol Drug Saf (2014) 0.79
Outcomes of patients with healthcare-associated pneumonia: worse disease or sicker patients? Infect Control Hosp Epidemiol (2014) 0.79
The Diagnosis and Management of Patients with Renal Colic across a Sample of US Hospitals: High CT Utilization Despite Low Rates of Admission and Inpatient Urologic Intervention. PLoS One (2017) 0.78
The Crossroads of Geriatric Cardiology and Cardio-Oncology. Curr Geriatr Rep (2015) 0.78
Patterns of treatment among a cohort of older low-income adults starting new medications for osteoporosis. Osteoporos Int (2014) 0.78
Risk of incident atrial fibrillation in gout: a cohort study. Ann Rheum Dis (2015) 0.78
Identification of population at risk for future Clostridium difficile infection following hospital discharge to be targeted for vaccine trials. Vaccine (2015) 0.78
Does Greater Continuity of Veterans Administration Primary Care Reduce Emergency Department Visits and Hospitalization in Older Veterans? J Am Geriatr Soc (2015) 0.78
Predictive performance of comorbidity measures in administrative databases for diabetes cohorts. BMC Health Serv Res (2013) 0.78
Underuse and Overuse of Colonoscopy for Repeat Screening and Surveillance in the Veterans Health Administration. Clin Gastroenterol Hepatol (2015) 0.78
Validation of an algorithm to determine the primary care treatability of emergency department visits. BMJ Open (2016) 0.78
Inpatient mortality after orthopaedic surgery. Int Orthop (2015) 0.77
Impact of the U.S. Food and Drug Administration's Safety-Related Announcements on the Use of Bisphosphonates After Hip Fracture. J Bone Miner Res (2016) 0.77
Racial Disparities in Elderly Patients Receiving Lumbar Spinal Stenosis Surgery. Global Spine J (2017) 0.77
The Likelihood of Hospital Readmission Among Patients With Hospital-Onset Central Line-Associated Bloodstream Infections. Infect Control Hosp Epidemiol (2015) 0.77
Participation Rates, Process Monitoring, and Quality Improvement Among Cardiac Rehabilitation Programs in the United States: A NATIONAL SURVEY. J Cardiopulm Rehabil Prev (2015) 0.77
Hospitals' Patterns of Use of Noninvasive Ventilation in Patients With Asthma Exacerbation. Chest (2015) 0.77
Short-term Mortality Prediction for Elderly Patients Using Medicare Claims Data. Int J Mach Learn Comput (2015) 0.77
Comparison of Calipers for Matching on the Disease Risk Score. Am J Epidemiol (2016) 0.77
The impact of hospital-onset Clostridium difficile infection on outcomes of hospitalized patients with sepsis. J Hosp Med (2014) 0.77
Dimension reduction and shrinkage methods for high dimensional disease risk scores in historical data. Emerg Themes Epidemiol (2016) 0.77
Unhealthy alcohol use in older adults: Association with readmissions and emergency department use in the 30 days after hospital discharge. Drug Alcohol Depend (2015) 0.76
Comparative Safety and Effectiveness of Denosumab Versus Zoledronic Acid in Patients With Osteoporosis: A Cohort Study. J Bone Miner Res (2016) 0.76
Association between lipid levels and major adverse cardiovascular events in rheumatoid arthritis compared to non-rheumatoid arthritis patients. Arthritis Rheumatol (2015) 0.76
Use of nicorandil is Associated with Increased Risk for Gastrointestinal Ulceration and Perforation- A Nationally Representative Population-based study. Sci Rep (2015) 0.76
Brief Report: Intensification to Triple Therapy After Treatment With Nonbiologic Disease-Modifying Antirheumatic Drugs for Rheumatoid Arthritis in the United States From 2009 to 2014. Arthritis Rheumatol (2016) 0.76
Disease-modifying antirheumatic drug use and the risk of incident hyperlipidemia in patients with early rheumatoid arthritis: a retrospective cohort study. Arthritis Care Res (Hoboken) (2015) 0.76
The Trajectory of Dyspnea in Hospitalized Patients. J Pain Symptom Manage (2015) 0.75
Development and validation of a new patient experience tool in patients with serious illness. BMC Palliat Care (2016) 0.75
Comparative Treatment Failure Rates of Respiratory Fluoroquinolones or β-Lactam + Macrolide Versus β-Lactam Alone in the Treatment for Community-Acquired Pneumonia in Adult Outpatients: An Analysis of a Nationally Representative Claims Database. Medicine (Baltimore) (2015) 0.75
Multi-state modelling of heart failure care path: A population-based investigation from Italy. PLoS One (2017) 0.75
Sex-Specific Comparative Effectiveness of Oral Anticoagulants in Elderly Patients With Newly Diagnosed Atrial Fibrillation. Circ Cardiovasc Qual Outcomes (2017) 0.75
Biologic Disease-Modifying Antirheumatic Drugs and Risk of High-Grade Cervical Dysplasia and Cervical Cancer in Rheumatoid Arthritis: A Cohort Study. Arthritis Rheumatol (2016) 0.75
Potentially disruptive life events: what are the immediate impacts on chronic disease management? A case-crossover analysis. BMJ Open (2016) 0.75
Outcomes of Hemiarthroplasty and Total Hip Arthroplasty for Femoral Neck Fracture: A Medicare Cohort Study. J Orthop Trauma (2017) 0.75
Angiotensin-Converting Enzyme Inhibitors and Active Tuberculosis: A Population-Based Study. Medicine (Baltimore) (2016) 0.75
Colonoscopy and Risk of Infective Endocarditis in the Elderly. J Am Coll Cardiol (2016) 0.75
Risk of high-grade cervical dysplasia and cervical cancer in women with systemic lupus erythematosus receiving immunosuppressive drugs. Lupus (2016) 0.75
Hospital Volume and Outcomes of Noninvasive Ventilation in Patients Hospitalized With an Acute Exacerbation of Chronic Obstructive Pulmonary Disease. Crit Care Med (2016) 0.75
Thiazolidinediones and Parkinson Disease: A Cohort Study. Am J Epidemiol (2015) 0.75
Risk of mortality with concomitant use of tamoxifen and selective serotonin reuptake inhibitors: multi-database cohort study. BMJ (2016) 0.75
Methodological issues on the use of administrative data in healthcare research: the case of heart failure hospitalizations in Lombardy region, 2000 to 2012. BMC Health Serv Res (2016) 0.75
Patient complexity, prescriber continuity and acute care. J Gen Intern Med (2014) 0.75
Dementia and Outcomes of Mechanical Ventilation. J Am Geriatr Soc (2016) 0.75
Gout and the Risk of Non-vertebral Fracture. J Bone Miner Res (2016) 0.75
Emergency Care Use and the Medicare Hospice Benefit for Individuals with Cancer with a Poor Prognosis. J Am Geriatr Soc (2016) 0.75
Risk of incident active tuberculosis disease in patients treated with non-steroidal anti-inflammatory drugs: a population-based study. BMC Pulm Med (2017) 0.75
Patterns of Care and Outcomes of Adjuvant Radiotherapy for Meningiomas: A Surveillance, Epidemiology, and End Results and Medicare Linked Analysis. Cureus (2016) 0.75
Outcomes of Noninvasive and Invasive Ventilation in Patients Hospitalized with Asthma Exacerbation. Ann Am Thorac Soc (2016) 0.75
Referral patterns between high- and low-volume centers and associations with uterine cancer treatment and survival: a population-based study of Medicare, Medicaid, and privately insured women. Am J Obstet Gynecol (2016) 0.75
Favorable Cardiovascular Health, Compression of Morbidity, and Healthcare Costs: Forty-Year Follow-Up of the CHA Study (Chicago Heart Association Detection Project in Industry). Circulation (2017) 0.75
A Point-based Mortality Prediction System for Older Adults with Diabetes. Sci Rep (2017) 0.75
Patterns and predictors of persistent opioid use following hip or knee arthroplasty. Osteoarthritis Cartilage (2017) 0.75
Predictors of In-Hospital Mortality in Patients With Metastatic Cancer Receiving Specific Critical Care Therapies. J Natl Compr Canc Netw (2016) 0.75
[ICD in elderly patients]. Herzschrittmacherther Elektrophysiol (2017) 0.75
Association Between the Order of Macrolide and Cephalosporin Treatment and Outcomes of Pneumonia. Open Forum Infect Dis (2017) 0.75
A new method of classifying prognostic comorbidity in longitudinal studies: development and validation. J Chronic Dis (1987) 174.79
Adapting a clinical comorbidity index for use with ICD-9-CM administrative databases. J Clin Epidemiol (1992) 60.45
Evaluating the added predictive ability of a new marker: from area under the ROC curve to reclassification and beyond. Stat Med (2008) 57.29
Comorbidity measures for use with administrative data. Med Care (1998) 46.67
Use and misuse of the receiver operating characteristic curve in risk prediction. Circulation (2007) 20.44
A simulation study of the number of events per variable in logistic regression analysis. J Clin Epidemiol (1996) 20.25
Modeling and variable selection in epidemiologic analysis. Am J Public Health (1989) 15.62
Assessing the performance of prediction models: a framework for traditional and novel measures. Epidemiology (2010) 14.07
Adapting a clinical comorbidity index for use with ICD-9-CM administrative data: differing perspectives. J Clin Epidemiol (1993) 13.16
A review of uses of health care utilization databases for epidemiologic research on therapeutics. J Clin Epidemiol (2005) 8.77
Advances in measuring the effect of individual predictors of cardiovascular risk: the role of reclassification measures. Ann Intern Med (2009) 7.62
High-dimensional propensity score adjustment in studies of treatment effects using health care claims data. Epidemiology (2009) 7.40
Performance of comorbidity scores to control for confounding in epidemiologic studies using claims data. Am J Epidemiol (2001) 7.04
The effect of including C-reactive protein in cardiovascular risk prediction models for women. Ann Intern Med (2006) 5.69
A modification of the Elixhauser comorbidity measures into a point system for hospital death using administrative data. Med Care (2009) 5.13
Comorbidities, complications, and coding bias. Does the number of diagnosis codes matter in predicting in-hospital mortality? JAMA (1992) 5.07
Data sources for measuring comorbidity: a comparison of hospital records and medicare claims for cancer patients. Med Care (2006) 3.08
Use of comorbidity scores for control of confounding in studies using administrative databases. Int J Epidemiol (2000) 2.94
Risk adjustment in outcome assessment: the Charlson comorbidity index. Methods Inf Med (1993) 2.87
Improved comorbidity adjustment for predicting mortality in Medicare populations. Health Serv Res (2003) 2.65
Searching for an improved clinical comorbidity index for use with ICD-9-CM administrative data. J Clin Epidemiol (1996) 2.43
Consistency of performance ranking of comorbidity adjustment scores in Canadian and U.S. utilization data. J Gen Intern Med (2004) 1.79
Use of disease risk scores in pharmacoepidemiologic studies. Stat Methods Med Res (2008) 1.65
Confounder summary scores when comparing the effects of multiple drug exposures. Pharmacoepidemiol Drug Saf (2010) 1.31
Comorbidity indices to predict mortality from Medicare data: results from the national registry of atrial fibrillation. Med Care (2005) 1.31
Imuunosuppressants, mortality, and risk of cancer. BMJ (2009) 0.87
Rosuvastatin to prevent vascular events in men and women with elevated C-reactive protein. N Engl J Med (2008) 43.36
Variable selection for propensity score models. Am J Epidemiol (2006) 10.68
Reduction in C-reactive protein and LDL cholesterol and cardiovascular event rates after initiation of rosuvastatin: a prospective study of the JUPITER trial. Lancet (2009) 10.52
A review of uses of health care utilization databases for epidemiologic research on therapeutics. J Clin Epidemiol (2005) 8.77
Long-term, low-intensity warfarin therapy for the prevention of recurrent venous thromboembolism. N Engl J Med (2003) 8.65
Risk of death in elderly users of conventional vs. atypical antipsychotic medications. N Engl J Med (2005) 8.44
Vitamins E and C in the prevention of cardiovascular disease in men: the Physicians' Health Study II randomized controlled trial. JAMA (2008) 8.32
High-dimensional propensity score adjustment in studies of treatment effects using health care claims data. Epidemiology (2009) 7.40
A review of the application of propensity score methods yielded increasing use, advantages in specific settings, but not substantially different estimates compared with conventional multivariable methods. J Clin Epidemiol (2005) 7.31
Long-term persistence in use of statin therapy in elderly patients. JAMA (2002) 7.19
Accuracy of Medicare claims-based diagnosis of acute myocardial infarction: estimating positive predictive value on the basis of review of hospital records. Am Heart J (2004) 6.57
Results of multivariable logistic regression, propensity matching, propensity adjustment, and propensity-based weighting under conditions of nonuniform effect. Am J Epidemiol (2005) 6.20
A randomized study of how physicians interpret research funding disclosures. N Engl J Med (2012) 5.47
Multivitamins in the prevention of cancer in men: the Physicians' Health Study II randomized controlled trial. JAMA (2012) 5.25
Vitamins E and C in the prevention of prostate and total cancer in men: the Physicians' Health Study II randomized controlled trial. JAMA (2008) 5.13
Antidepressant use in pregnancy and the risk of cardiac defects. N Engl J Med (2014) 4.99
Nonadherence to adjuvant tamoxifen therapy in women with primary breast cancer. J Clin Oncol (2003) 4.95
Risk of death and cardiovascular events in initially healthy women with new-onset atrial fibrillation. JAMA (2011) 4.73
Indications for propensity scores and review of their use in pharmacoepidemiology. Basic Clin Pharmacol Toxicol (2006) 4.70
Self-management education programs in chronic disease: a systematic review and methodological critique of the literature. Arch Intern Med (2004) 4.68
Full coverage for preventive medications after myocardial infarction. N Engl J Med (2011) 4.51
The comparative safety of analgesics in older adults with arthritis. Arch Intern Med (2010) 4.47
Cardiovascular benefits and diabetes risks of statin therapy in primary prevention: an analysis from the JUPITER trial. Lancet (2012) 4.46
Multivitamins in the prevention of cardiovascular disease in men: the Physicians' Health Study II randomized controlled trial. JAMA (2012) 4.40
New FDA breakthrough-drug category--implications for patients. N Engl J Med (2014) 4.30
Adherence to therapy with oral antineoplastic agents. J Natl Cancer Inst (2002) 4.16
HDL cholesterol and residual risk of first cardiovascular events after treatment with potent statin therapy: an analysis from the JUPITER trial. Lancet (2010) 4.07
Outcomes of reference pricing for angiotensin-converting-enzyme inhibitors. N Engl J Med (2002) 4.07
Depression and risk of sudden cardiac death and coronary heart disease in women: results from the Nurses' Health Study. J Am Coll Cardiol (2009) 3.99
Anticonvulsant medications and the risk of suicide, attempted suicide, or violent death. JAMA (2010) 3.85
Adherence to lipid-lowering therapy and the use of preventive health services: an investigation of the healthy user effect. Am J Epidemiol (2007) 3.82
The epidemiology of prescriptions abandoned at the pharmacy. Ann Intern Med (2010) 3.78
The implications of choice: prescribing generic or preferred pharmaceuticals improves medication adherence for chronic conditions. Arch Intern Med (2006) 3.64
Burden of changes in pill appearance for patients receiving generic cardiovascular medications after myocardial infarction: cohort and nested case-control studies. Ann Intern Med (2014) 3.62
Evaluating short-term drug effects using a physician-specific prescribing preference as an instrumental variable. Epidemiology (2006) 3.54
Effect of smoking on comparative efficacy of antiplatelet agents: systematic review, meta-analysis, and indirect comparison. BMJ (2013) 3.43
The quality of pharmacologic care for vulnerable older patients. Ann Intern Med (2004) 3.34
Analytic strategies to adjust confounding using exposure propensity scores and disease risk scores: nonsteroidal antiinflammatory drugs and short-term mortality in the elderly. Am J Epidemiol (2005) 3.33
The implications of therapeutic complexity on adherence to cardiovascular medications. Arch Intern Med (2011) 3.27
Rethinking the use of physicians as hired expert lecturers. Ann Intern Med (2014) 3.22
Blood pressure and risk of developing type 2 diabetes mellitus: the Women's Health Study. Eur Heart J (2007) 3.21
Drug-review deadlines and safety problems. N Engl J Med (2008) 3.16
Variations in pill appearance of antiepileptic drugs and the risk of nonadherence. JAMA Intern Med (2013) 3.13
Cardiovascular outcomes and mortality in patients using clopidogrel with proton pump inhibitors after percutaneous coronary intervention or acute coronary syndrome. Circulation (2009) 3.09
Balancing innovation, access, and profits--market exclusivity for biologics. N Engl J Med (2009) 3.08
Tumor necrosis factor alpha antagonist use and cancer in patients with rheumatoid arthritis. Arthritis Rheum (2006) 3.04
High-density lipoprotein cholesterol, size, particle number, and residual vascular risk after potent statin therapy. Circulation (2013) 3.03
Association between disease-modifying antirheumatic drugs and diabetes risk in patients with rheumatoid arthritis and psoriasis. JAMA (2011) 3.02
Confounding control in healthcare database research: challenges and potential approaches. Med Care (2010) 3.01
Relationship between selective cyclooxygenase-2 inhibitors and acute myocardial infarction in older adults. Circulation (2004) 2.98
University-based science and biotechnology products: defining the boundaries of intellectual property. JAMA (2005) 2.95
Compliance with osteoporosis medications. Arch Intern Med (2005) 2.91
Hetastarch and bleeding complications after coronary artery surgery. Chest (2003) 2.87
Noncompliance with antihypertensive medications: the impact of depressive symptoms and psychosocial factors. J Gen Intern Med (2002) 2.85
Nonsteroidal anti-inflammatory drug use and acute myocardial infarction. Arch Intern Med (2002) 2.82
Selective prescribing led to overestimation of the benefits of lipid-lowering drugs. J Clin Epidemiol (2006) 2.81
Internet marketing of herbal products. JAMA (2003) 2.77
Economic implications of evidence-based prescribing for hypertension: can better care cost less? JAMA (2004) 2.77
Treatment effects in the presence of unmeasured confounding: dealing with observations in the tails of the propensity score distribution--a simulation study. Am J Epidemiol (2010) 2.74
Inhibition of clinical benefits of aspirin on first myocardial infarction by nonsteroidal antiinflammatory drugs. Circulation (2003) 2.73
The comparative safety of opioids for nonmalignant pain in older adults. Arch Intern Med (2010) 2.71
Comparative mortality risk of anemia management practices in incident hemodialysis patients. JAMA (2010) 2.71