Search Results - "Vock, David"

Covariate Selection with Group Lasso and Doubly Robust Estimation of Causal Effects by Koch, Brandon, Vock, David M., Wolfson, Julian

“…The efficiency of doubly robust estimators of the average causal effect (ACE) of a treatment can be improved by including in the treatment and outcome models…”
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Does socioeconomic status account for racial and ethnic disparities in childhood cancer survival? by Kehm, Rebecca D., Spector, Logan G., Poynter, Jenny N., Vock, David M., Altekruse, Sean F., Osypuk, Theresa L.

“…Background For many childhood cancers, survival is lower among non‐Hispanic blacks and Hispanics in comparison with non‐Hispanic whites, and this may be…”
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Standardized classification and framework for reporting, interpreting, and analysing medication non-adherence in cardiovascular clinical trials: a consensus report from the Non-adherence Academic Research Consortium (NARC) by Valgimigli, Marco, Garcia-Garcia, Hector M, Vrijens, Bernard, Vranckx, Pascal, McFadden, Eugène P, Costa, Francesco, Pieper, Karen, Vock, David M, Zhang, Min, Van Es, Gerrit-Anne, Tricoci, Pierluigi, Baber, Usman, Steg, Gabriel, Montalescot, Gilles, Angiolillo, Dominick J, Serruys, Patrick W, Farb, Andrew, Windecker, Stephan, Kastrati, Adnan, Colombo, Antonio, Feres, Fausto, Jüni, Peter, Stone, Gregg W, Bhatt, Deepak L, Mehran, Roxana, Tijssen, Jan G P

“…Non-adherence has been well recognized for years to be a common issue that significantly impacts clinical outcomes and health care costs. Medication adherence…”
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Can a Single Variable Predict Early Dropout From Digital Health Interventions? Comparison of Predictive Models From Two Large Randomized Trials by Bricker, Jonathan, Miao, Zhen, Mull, Kristin, Santiago-Torres, Margarita, Vock, David M

“…A single generalizable metric that accurately predicts early dropout from digital health interventions has the potential to readily inform intervention targets…”
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Examining Engagement Effects in an Adaptive Preventive Intervention for College Student Drinking by Patrick, Megan E., Sur, Aparajita, Arterberry, Brooke, Peterson, Sarah, Morrell, Nicole, Vock, David M.

“…Objective: This study determined the characteristics of engagement and whether engagement in an adaptive preventive intervention (API) was associated with…”
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Cognitive Effects of Aerobic Exercise in Alzheimer's Disease: A Pilot Randomized Controlled Trial by Yu, Fang, Vock, David M, Zhang, Lin, Salisbury, Dereck, Nelson, Nathaniel W, Chow, Lisa S, Smith, Glenn, Barclay, Terry R, Dysken, Maurice, Wyman, Jean F

“…Aerobic exercise has shown inconsistent cognitive effects in older adults with Alzheimer's disease (AD) dementia. To examine the immediate and longitudinal…”
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Causes and timing of end‐stage renal disease after living kidney donation by Matas, Arthur J., Berglund, Danielle M., Vock, David M., Ibrahim, Hassan N.

“…End‐stage renal disease (ESRD) is a risk after kidney donation. We sought, in a large cohort of kidney donors, to determine the causes of donor ESRD, the…”
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Nonparametric cluster significance testing with reference to a unimodal null distribution by Helgeson, Erika S., Vock, David M., Bair, Eric

“…Cluster analysis is an unsupervised learning strategy that is exceptionally useful for identifying homogeneous subgroups of observations in data sets of…”
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Borrowing from supplemental sources to estimate causal effects from a primary data source by Boatman, Jeffrey A., Vock, David M., Koopmeiners, Joseph S.

“…The increasing multiplicity of data sources offers exciting possibilities in estimating the effects of a treatment, intervention, or exposure, particularly if…”
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Pathogenic structural heart changes in early tricuspid regurgitation by Nemoto, Naohiko, MD, Lesser, John R., MD, Pedersen, Wesley R., MD, Sorajja, Paul, MD, Spinner, Erin, PhD, Garberich, Ross F., MS, Vock, David M., PhD, Schwartz, Robert S., MD

“…Abstract Objective Severe, late functional tricuspid regurgitation is characterized by annulus dilation, right ventricular enlargement, and papillary muscle…”
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A group‐sequential randomized trial design utilizing supplemental trial data by Kotalik, Ales, Vock, David M., Hobbs, Brian P., Koopmeiners, Joseph S.

“…Definitive clinical trials are resource intensive, often requiring a large number of participants over several years. One approach to improve the efficiency of…”
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Pre–kidney Donation Pregnancy Complications and Long-term Outcomes by Helgeson, Erika S., Palzer, Elise F., Vock, David M., Porrett, Paige, Sawinski, Deirdre, Matas, Arthur J.

“…Hypertension and diabetes are contraindications for living kidney donation in young candidates. However, little is known about the long-term outcomes of women…”
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Interleukin-28B Polymorphism Improves Viral Kinetics and Is the Strongest Pretreatment Predictor of Sustained Virologic Response in Genotype 1 Hepatitis C Virus by Thompson, Alexander J, Muir, Andrew J, Sulkowski, Mark S, Ge, Dongliang, Fellay, Jacques, Shianna, Kevin V, Urban, Thomas, Afdhal, Nezam H, Jacobson, Ira M, Esteban, Rafael, Poordad, Fred, Lawitz, Eric J, McCone, Jonathan, Shiffman, Mitchell L, Galler, Greg W, Lee, William M, Reindollar, Robert, King, John W, Kwo, Paul Y, Ghalib, Reem H, Freilich, Bradley, Nyberg, Lisa M, Zeuzem, Stefan, Poynard, Thierry, Vock, David M, Pieper, Karen S, Patel, Keyur, Tillmann, Hans L, Noviello, Stephanie, Koury, Kenneth, Pedicone, Lisa D, Brass, Clifford A, Albrecht, Janice K, Goldstein, David B, McHutchison, John G

“…Background & Aims We recently identified a polymorphism upstream of interleukin ( IL ) -28B to be associated with a 2-fold difference in sustained virologic…”
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GFR ≤25 years postdonation in living kidney donors with (vs. without) a first‐degree relative with ESRD by Matas, Arthur J., Vock, David M., Ibrahim, Hassan N.

“…An increased risk of ESRD has been reported for living kidney donors, and appears to be higher for those donating to a relative. The reasons for this are not…”
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Commentary on Chen et al. (2022): The need for continued methodological research on leveraging information in secondary endpoints for more efficient RCTs by Wolf, Jack M., Koopmeiners, Joseph S., Vock, David M.

“…Chen et al. (2022) recently proposed a set of estimating equations that incorporate data from secondary endpoints to improve precision in parameter estimates…”
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Modified interactive Q-learning for attenuating the impact of model misspecification with treatment effect heterogeneity by Zhang, Yuan, Vock, David M, Patrick, Megan E, Murray, Thomas A

“…A sequential multiple assignment randomized trial, which incorporates multiple stages of randomization, is a popular approach for collecting data to inform…”
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Lung Cancer Screening and Smoking Cessation Clinical Trials. SCALE (Smoking Cessation within the Context of Lung Cancer Screening) Collaboration by Joseph, Anne M, Rothman, Alexander J, Almirall, Daniel, Begnaud, Abbie, Chiles, Caroline, Cinciripini, Paul M, Fu, Steven S, Graham, Amanda L, Lindgren, Bruce R, Melzer, Anne C, Ostroff, Jamie S, Seaman, Elizabeth L, Taylor, Kathryn L, Toll, Benjamin A, Zeliadt, Steven B, Vock, David M

“…National recommendations for lung cancer screening for former and current smokers aged 55-80 years with a 30-pack-year smoking history create demand to…”
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Consequences of low estimated glomerular filtration rate either before or early after kidney donation by Evans, Michael D., Helgeson, Erika S., Rule, Andrew D., Vock, David M., Matas, Arthur J.

“…In the general population, decreases in glomerular filtration rate (GFR) are associated with subsequent development of chronic kidney disease (CKD),…”
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Socioeconomic Status and Childhood Cancer Incidence: A Population-Based Multilevel Analysis by Kehm, Rebecca D, Spector, Logan G, Poynter, Jenny N, Vock, David M, Osypuk, Theresa L

“…Abstract The etiology of childhood cancers remains largely unknown, especially regarding environmental and behavioral risk factors. Unpacking the association…”
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Variable selection and estimation in causal inference using Bayesian spike and slab priors by Koch, Brandon, Vock, David M, Wolfson, Julian, Vock, Laura Boehm

“…Unbiased estimation of causal effects with observational data requires adjustment for confounding variables that are related to both the outcome and treatment…”
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