Results 81 to 90 of about 262,646 (192)

Handling missing data in cluster randomized trials: A demonstration of multiple imputation with PAN through SAS [PDF]

Tutorials in Quantitative Methods for Psychology, 2014
The purpose of this study is to demonstrate a way of dealing with missing data in clustered randomized trials by doing multiple imputation (MI) with the PAN package in R through SAS.
Jiangxiu Zhou, Lauren E. Connell, John W. Graham   +2 more
doaj  

Comparison of Approaches for Stroke Prophylaxis in Patients with Non-Valvular Atrial Fibrillation: Network Meta-Analyses of Randomized Controlled Trials.

PLoS ONE, 2016
BackgroundMultiple novel oral anticoagulants and left atrial appendage closure devices (WATCHMAN) have been tested against dose-adjusted vitamin K antagonists in randomized controlled trials for stroke prophylaxis in non-valvular atrial fibrillation.
Navkaranbir S Bajaj, Rajat Kalra, Nirav Patel, Taimoor Hashim, Hemant Godara, Sameer Ather, Garima Arora, Tilak Pasala, Thomas T Whitfield, David C McGiffin, Mustafa I Ahmed, Steven G Lloyd, Nita A Limdi, Pankaj Arora   +13 more
doaj   +1 more source

Rationale, design and conduct of a comprehensive evaluation of a primary care based intervention to improve the quality of life of osteoarthritis patients. The PraxArt-project: a cluster randomized controlled trial [ISRCTN87252339] ; study protocol [PDF]

, 2005
Background: Osteoarthritis (OA) has a high prevalence in primary care. Conservative, guideline orientated approaches aiming at improving pain treatment and increasing physical activity, have been proven to be effective in several contexts outside the ...
Gensichen, Jochen, Joos, Stefanie, Körner, Thorsten, Muth, Christiane, Rosemann, Thomas, Szecsenyi, Joachim, Wensing, Michel   +6 more
core  

An electronic family health history tool to identify and manage patients at increased risk for colorectal cancer: protocol for a randomized controlled trial. [PDF]

, 2019
BackgroundColorectal cancer is the fourth most commonly diagnosed cancer in the United States. Approximately 3-10% of the population has an increased risk for colorectal cancer due to family history and warrants more frequent or intensive screening. Yet,
Coffman, Cynthia J, Datta, Santanu K, Fisher, Deborah A, Goldstein, Karen M, Grubber, Janet M, Hauser, Elizabeth R, Nelson, Richard E, Orlando, Lori A, Provenzale, Dawn, Rakhra-Burris, Tejinder, Scheuner, Maren T, Sperber, Nina, Strawbridge, Elizabeth, Voils, Corrine I, Wang, Virginia, Wu, R Ryanne   +15 more
core  

Pragmatic clinical trials embedded in healthcare systems: generalizable lessons from the NIH Collaboratory

BMC Medical Research Methodology, 2017
Background The clinical research enterprise is not producing the evidence decision makers arguably need in a timely and cost effective manner; research currently involves the use of labor-intensive parallel systems that are separate from clinical care ...
Kevin P. Weinfurt, Adrian F. Hernandez, Gloria D. Coronado, Lynn L. DeBar, Laura M. Dember, Beverly B. Green, Patrick J. Heagerty, Susan S. Huang, Kathryn T. James, Jeffrey G. Jarvik, Eric B. Larson, Vincent Mor, Richard Platt, Gary E. Rosenthal, Edward J. Septimus, Gregory E. Simon, Karen L. Staman, Jeremy Sugarman, Miguel Vazquez, Douglas Zatzick, Lesley H. Curtis   +20 more
doaj   +1 more source

Cluster randomized test-negative design (CR-TND) trials: a novel and efficient method to assess the efficacy of community level dengue interventions

, 2018
Cluster randomized trials are the gold standard for assessing efficacy of community-level interventions, such as vector control strategies against dengue.
Anders, KL, Cutcher, Z, Donnelly, CA, Ferguson, NM, Indriani, C, Jewell, NP, Kleinschmidt, I, O'Neill, SL, Ryan, PA, Simmons, CP   +9 more
core   +1 more source

Ignoring Clustering and Nesting in Cluster Randomized Trials Renders Conclusions Unverifiable [Letter]

Risk Management and Healthcare Policy, 2022
Abu Bakkar Siddique, Yasaman Jamshidi-Naeini, Lilian Golzarri-Arroyo, David B Allison Department of Epidemiology and Biostatistics, Indiana University School of Public Health-Bloomington, Bloomington, IN, USACorrespondence: David B Allison, Indiana ...
Siddique AB, Jamshidi-Naeini Y, Golzarri-Arroyo L, Allison DB   +3 more
doaj  

Ignoring Clustering and Nesting in Cluster Randomized Trials Renders Conclusions Unverifiable [Response to Letter]

Risk Management and Healthcare Policy, 2022
Yibeltal Siraneh,1 Mirkuzie Woldie,2 Zewdie Birhanu3 1Department of Health Policy and Management, Faculty of Public Health, Jimma University, Jimma, Ethiopia; 2Department of Global Health and Population, Harvard T.H. Chan School of Public Health, Boston,
Siraneh Y, Woldie M, Birhanu Z
doaj  

Effect of a Clinical Evidence Technology on Patient Skin Disease Outcomes in Primary Care: A Cluster-Randomized Controlled Trial [PDF]

, 2018
Objective: Providers’ use of clinical evidence technologies (CETs) improves their diagnosis and treatment decisions. Despite these benefits, few studies have evaluated the impact of CETs on patient outcomes. Investigators evaluated the effect of one CET,
Burke, Marianne, Littenberg, Benjamin, MD   +1 more
core   +1 more source

The Ottawa Statement on the Ethical Design and Conduct of Cluster Randomized Trials.

PLoS Medicine, 2012
Charles Weijer, Jeremy M Grimshaw, Martin P Eccles, Andrew D McRae, Angela White, Jamie C Brehaut, Monica Taljaard, Ottawa Ethics of Cluster Randomized Trials Consensus Group   +7 more
doaj   +1 more source