Published in N Engl J Med on November 18, 2004
National patterns of codeine prescriptions for children in the emergency department. Pediatrics (2014) 1.49
Is there a relationship between patient beliefs or communication about generic drugs and medication utilization? Med Care (2009) 1.15
State generic substitution laws can lower drug outlays under Medicaid. Health Aff (Millwood) (2010) 1.08
Impact of Medicaid prior authorization requirement for COX-2 inhibitor drugs in Nebraska. Health Serv Res (2008) 1.00
Potential savings from an evidence-based consumer-oriented public education campaign on prescription drugs. Health Serv Res (2008) 0.95
The financial burden from prescription drugs has declined recently for the nonelderly, although it is still high for many. Health Aff (Millwood) (2012) 0.94
What doctors think about the impact of managed care tools on quality of care, costs, autonomy, and relations with patients. BMC Health Serv Res (2010) 0.94
Prior-authorization programs for controlling drug spending. N Engl J Med (2004) 0.92
Medicaid cost control measures aimed at second-generation antipsychotics led to less use of all antipsychotics. Health Aff (Millwood) (2011) 0.89
State Medicaid programs did not make use of prior authorization to promote safer prescribing after rosiglitazone warning. Health Aff (Millwood) (2012) 0.88
Prior authorization for biologic disease-modifying antirheumatic drugs: a description of US Medicaid programs. Arthritis Rheum (2008) 0.85
When gatekeepers meet the sentinel: the impact of a prior authorization requirement for cefuroxime on the prescribing behaviour of community-based physicians. Br J Clin Pharmacol (2006) 0.83
The impact of prior authorization on buprenorphine dose, relapse rates, and cost for Massachusetts Medicaid beneficiaries with opioid dependence. Health Serv Res (2014) 0.83
Rationale and design of the Study Assessing the Effect of Cardiovascular Medications Provided as Low-cost, Evidence-based Generic Samples (SAMPLES) trial. Am Heart J (2009) 0.80
Medicare Part D plan generosity and medication use among dual-eligible nursing home residents. Med Care (2013) 0.79
Implementation of cancer clinical care pathways: a successful model of collaboration between payers and providers. J Oncol Pract (2012) 0.79
Angiotensin inhibition after myocardial infarction: does drug class matter? J Gen Intern Med (2006) 0.77
Prior authorization of newer insomnia medications in managed care: is it cost saving? J Clin Sleep Med (2007) 0.77
Age and rising rates of cyclooxygenase-2 inhibitor use. Results from a national survey. J Gen Intern Med (2006) 0.76
Evaluating the impact of a novel restricted reimbursement policy for quinolone antibiotics: a time series analysis. BMC Health Serv Res (2012) 0.75
A blueprint for pharmacy benefit managers to increase value. Am J Manag Care (2009) 0.75
Systematic review on quality control for drug management programs: is quality reported in the literature? BMC Health Serv Res (2009) 0.75
Adherence to prescribing recommendations made on a provincial formulary. Healthc Policy (2014) 0.75
Medicaid prescription limits: policy trends and comparative impact on utilization. BMC Health Serv Res (2016) 0.75
Medicaid prescription formulary restrictions and arthritis treatment costs. Am J Public Health (2008) 0.75
Incidence and economic burden of osteoporosis-related fractures in the United States, 2005-2025. J Bone Miner Res (2007) 14.84
Variable selection for propensity score models. Am J Epidemiol (2006) 10.68
A review of uses of health care utilization databases for epidemiologic research on therapeutics. J Clin Epidemiol (2005) 8.77
Risk of death in elderly users of conventional vs. atypical antipsychotic medications. N Engl J Med (2005) 8.44
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
Surgery versus physical therapy for a meniscal tear and osteoarthritis. N Engl J Med (2013) 6.08
A randomized study of how physicians interpret research funding disclosures. N Engl J Med (2012) 5.47
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
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
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
A combined comorbidity score predicted mortality in elderly patients better than existing scores. J Clin Epidemiol (2011) 3.98
Anticonvulsant medications and the risk of suicide, attempted suicide, or violent death. JAMA (2010) 3.85
Cost-effectiveness of total knee arthroplasty in the United States: patient risk and hospital volume. Arch Intern Med (2009) 3.84
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
Initiation of tumor necrosis factor-α antagonists and the risk of hospitalization for infection in patients with autoimmune diseases. JAMA (2011) 3.58
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
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
Incentives for drug development--the curious case of colchicine. N Engl J Med (2010) 3.06
Tumor necrosis factor alpha antagonist use and cancer in patients with rheumatoid arthritis. Arthritis Rheum (2006) 3.04
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
Development of classification and response criteria for rheumatic diseases. Arthritis Rheum (2006) 2.88
A comparison of patient characteristics and outcomes in selected European and U.S. rheumatoid arthritis registries. Semin Arthritis Rheum (2010) 2.88
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
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
The U.S. Food and Drug Administration's Mini-Sentinel program: status and direction. Pharmacoepidemiol Drug Saf (2012) 2.70
Sending pharma better signals. Science (2005) 2.69
Identification of individuals with CKD from Medicare claims data: a validation study. Am J Kidney Dis (2005) 2.65
Improved comorbidity adjustment for predicting mortality in Medicare populations. Health Serv Res (2003) 2.65
Characteristics of clinical trials to support approval of orphan vs nonorphan drugs for cancer. JAMA (2011) 2.60
Improvements in long-term mortality after myocardial infarction and increased use of cardiovascular drugs after discharge: a 10-year trend analysis. J Am Coll Cardiol (2008) 2.58
Performance of propensity score calibration--a simulation study. Am J Epidemiol (2007) 2.56
Adjusting effect estimates for unmeasured confounding with validation data using propensity score calibration. Am J Epidemiol (2005) 2.55
Repeated hospitalizations predict mortality in the community population with heart failure. Am Heart J (2007) 2.55
Practical, legal, and ethical issues in expanded access to investigational drugs. N Engl J Med (2015) 2.53
Veteran's affairs hospital discharge databases coded serious bacterial infections accurately. J Clin Epidemiol (2006) 2.51
Cost-effectiveness of providing full drug coverage to increase medication adherence in post-myocardial infarction Medicare beneficiaries. Circulation (2008) 2.42
Evaluating uses of data mining techniques in propensity score estimation: a simulation study. Pharmacoepidemiol Drug Saf (2008) 2.42
Biologic discontinuation studies: a systematic review of methods. Ann Rheum Dis (2013) 2.42
Classification criteria in rheumatic diseases: a review of methodologic properties. Arthritis Rheum (2007) 2.41
Relative effectiveness of osteoporosis drugs for preventing nonvertebral fracture. Ann Intern Med (2008) 2.40
Tumour necrosis factor antagonist use and associated risk reduction of cardiovascular events among patients with rheumatoid arthritis. Ann Rheum Dis (2010) 2.39
Adjusting for unmeasured confounders in pharmacoepidemiologic claims data using external information: the example of COX2 inhibitors and myocardial infarction. Epidemiology (2005) 2.38
Anti-tumor necrosis factor alpha therapy and the risk of serious bacterial infections in elderly patients with rheumatoid arthritis. Arthritis Rheum (2007) 2.37