V. Berger

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Selection Bias and Covariate Imbalances in Randomized Clinical Trials: Berger/Selection Bias and Covariate Imbalances in Randomized Clinical Trials

V. Berger, 2005 .

Quantifying The Proportion Of Cases Attributable To An Exposure

C. Fuchs, V. Berger, 2004 .

Convex hull test for ordered categorical data.

V. Berger, A. Ivanova, T. Permutt, 1998, Biometrics.

Pros and cons of permutation tests in clinical trials.

V W Berger, V. Berger, 2000, Statistics in medicine.

Assessing the quality of surgical trials: further insight.

V. Berger, 2011, Annals of surgery.

Randomization Technique, Allocation Concealment, Masking, And Susceptibility Of Trials To Selection Bias

V. Berger, C. Christophi, 2003 .

A general framework for the evaluation of clinical trial quality.

V. Berger, S. Alperson, 2009, Reviews on recent clinical trials.

Refining the assessment of the sensitivity and specificity of diagnostic tests, with applications to prostate cancer screening and non-small cell lung cancer staging.

V. Berger, L. Semanick, 2005, Revista panamericana de salud publica = Pan American journal of public health.

Mid-P Values†

V. Berger, 2014 .

A roadmap to using randomization in clinical trials

C. Hewitt, V. Berger, N. Heussen, 2021, BMC Medical Research Methodology.

A review of methods for ensuring the comparability of comparison groups in randomized clinical trials.

V. Berger, 2006, Reviews on recent clinical trials.

Conservative handling of missing data.

V. Berger, 2012, Contemporary clinical trials.

Spin and bias: the tip of the iceberg.

V. Berger, 2013, Annals of oncology : official journal of the European Society for Medical Oncology.

Spin and bias: the tip of the iceberg.

V. Berger, 2013, Annals of oncology : official journal of the European Society for Medical Oncology.

Parametric Analyses In Randomized Clinical Trials

Michael D. Ernst, Vance W. Berger, Clifford E. Lunneborg, 2002 .

Paired Observations, Distribution Free Methods†

V. Berger, Zhen Li, 2014 .

Binomial Distribution: Estimating and Testing Parameters†

V. Berger, YanYan Zhou, 2014 .

Levels of Evidence: Further Insight on Gugiu and Gugiu

V. Berger, Diana Knoll, 2011, Evaluation & the health professions.

Making statistics boring again

V. Berger, 2010, Statistics in medicine.

Paired Observations, Distribution Free Methods

V. Berger, Zhen Li, 2005 .

The p‐value Interval as an Inferential Tool

V. Berger, 2001 .

De facto masking and other measures to prevent contamination.

V. Berger, 2012, Journal of clinical epidemiology.

Simple Random Assignment

V. Berger, C. Thach, 2005 .

Detecting selection bias in randomized clinical trials.

V W Berger, V. Berger, D. Exner, 1999, Controlled clinical trials.

Block Random Assignment

V. Berger, 2005 .

Selection Bias and Baseline Imbalances in Randomized Trials

V. Berger, 2004 .

Trial quality checklists: on the need to multiply (not add) scores

V. Berger, S. Alperson, Kaitlin E. Palys, 2013, Clinical Oral Investigations.

What Does Biostatistics Mean To Us

V. Berger, J. Matthews, 2006, Mens sana monographs.

Discussion of the paper of Ghosh, Taylor, and Sargent.

G. Izmirlian, V. Berger, Diana Knoll, 2012, Biometrics.

Intent-to-treat: further insight.

V. Berger, 2011, Research in nursing & health.

Ensuring the comparability of comparison groups: is randomization enough?

Vance W Berger, V. Berger, Sherri Weinstein, 2004, Controlled clinical trials.

Adjusting for Selection Bias in Randomized Trials

V. Berger, 2005 .

In Reply--Is There a Need for "Bias Police" in Industry-Sponsored Research?

V. Prasad, V. Berger, 2016, Mayo Clinic proceedings.

Historical Controls and Clinical Trials

V. Berger, R. Shafran, Randi L. Shafran, 2014 .

Conflicts of Interest, Selective Inertia, and Research Malpractice in Randomized Clinical Trials: An Unholy Trinity

V. Berger, 2014, Science and Engineering Ethics.

Conducting today's trials by tomorrow's standards

V. Berger, J. R. Matthews, 2005 .

Conflicts of Interest, Selective Inertia, and Research Malpractice in Randomized Clinical Trials: An Unholy Trinity

Vance W. Berger, V. Berger, 2015, Sci. Eng. Ethics.

Accuracy of the Berger-Exner test for detecting third-order selection bias in randomised controlled trials: a simulation-based investigation

V. Berger, S. Mickenautsch, Bo Fu, 2014, BMC Medical Research Methodology.

Exact Inference for Growth Curves with Intraclass Correlation Structure *

V W Berger, Sam Weerahandi, V. Berger, 1999, Biometrics.

The Analysis of Stratified 2 × 2 Contingency Tables

V. Berger, C. Stefanescu, YanYan Zhou, 2006, Biometrical journal. Biometrische Zeitschrift.

Randomized Block Design: Nonparametric Analyses

V. Berger, Li Liu, 2005 .

Evaluating Research Training Outcomes: Experience from the Cancer Prevention Fellowship Program at the National Cancer Institute

D. Weed, V. Berger, S. Perkins, 2006, Academic medicine : journal of the Association of American Medical Colleges.

Kolmogorov–Smirnov Test: Overview

Vance W. Berger, V. Berger, YanYan Zhou, 2014 .

Hard-Wired Bias: How Even Double-Blind, Randomized Controlled Trials Can Be Skewed From the Start.

V. Prasad, V. Berger, 2015, Mayo Clinic proceedings.

Potential for technical errors and subverted allocation can be reduced if certain guidelines are followed: examples from a web-based survey.

David J Torgerson, Vance W Berger, C. Hewitt, 2009, Journal of clinical epidemiology.

Intent-to-Randomize Corrections for Missing Data Resulting from Run-In Selection Bias in Clinical Trials for Chronic Conditions

V. Berger, Behrang Vali, 2011, Journal of biopharmaceutical statistics.

Testing for baseline balance: can we finally get it right?

V. Berger, 2010, Journal of clinical epidemiology.

Trend Tests for Counts and Proportions

Vance W. Berger, Scott L. Hershberger, S. Hershberger, 2005 .

When can a clinical trial be called 'randomized'?

Vance W Berger, V. Berger, Jeffrey D Bears, 2003, Vaccine.

Beyond Jadad: some essential features in trial quality

V. Berger, S. Alperson, 2013 .

Re‐Formulating Non‐inferiority Trials as Superiority Trials: The Case of Binary Outcomes

Valerie L. Durkalski, Vance W. Berger, V. Durkalski, 2009, Biometrical journal. Biometrische Zeitschrift.

Improving the information content of categorical clinical trial endpoints.

V. Berger, 2002, Controlled clinical trials.

Trial methodology: a background

V. Berger, 2013 .

Conservative handling of missing information.

V. Berger, 2012, Journal of clinical epidemiology.

Nonparametric Adjustment Techniques for Binary Covariates

Vance W Berger, V. Berger, 2005, Biometrical journal. Biometrische Zeitschrift.

Quantifying the Magnitude of Baseline Covariate Imbalances Resulting from Selection Bias in Randomized Clinical Trials

Vance W Berger, V. Berger, 2005, Biometrical journal. Biometrische Zeitschrift.

Minimization, by its nature, precludes allocation concealment, and invites selection bias.

Vance W Berger, V. Berger, 2010, Contemporary clinical trials.

Adaptive Tests for Ordered Categorical Data

V. Berger, A. Ivanova, 2002 .

Does the Prentice criterion validate surrogate endpoints?

Vance W Berger, V. Berger, 2004, Statistics in medicine.

A Socratic Dialogue

V. Berger, 2009 .

Direct effect on validity of response run-in selection in clinical trials.

V. Berger, A. Rezvani, Vanessa A Makarewicz, 2003, Controlled clinical trials.

Minimizing predictability while retaining balance through the use of less restrictive randomization procedures

Anastasia Ivanova, Vance W Berger, Maria Deloria Knoll, 2003, Statistics in medicine.

Allocation concealment and blinding: when ignorance is bliss

V. Berger, 2005, The Medical journal of Australia.

Opposing systematic reviews: the effects of two quality rating instruments on evidence regarding t'ai chi and bone mineral density in postmenopausal women.

V. Berger, S. Alperson, 2011, Journal of alternative and complementary medicine.

A Note on the Jadad Score as an Efficient Tool for Measuring Trial Quality

V. Berger, Kaitlin E. Palys, 2013, Journal of Gastrointestinal Surgery.

Sequence Generation and Allocation Concealment.

V. Berger, 2016, The journal of evidence-based dental practice.

Is the Jadad score the proper evaluation of trials?

V. Berger, 2006, The Journal of rheumatology.

The role of the randomised controlled trial in restorative dentistry and the correct purpose of observational data

V. Berger, S. Mickenautsch, 2019, BDJ.

An Empirical Demonstration of the Need for Exact Tests

V. Berger, 2017 .

The reverse propensity score to detect selection bias and correct for baseline imbalances

Vance W Berger, V. Berger, 2005, Statistics in medicine.

A unifying framework for standard and covariate-adaptive randomization procedures based on minimizing suitable imbalance functions.

V. Berger, 2013, Contemporary clinical trials.

Rejoinder: What Is To Be Done About Selection Bias?

V. Berger, 2005 .

The Journal of Rheumatology Volume 33 , no . 11 Can pain be quantified numerically ?

V. Berger, 2008 .

Risk of selection bias in randomized trials: further insight

V. Berger, 2016, Trials.

Preventing fungal infections in chronic granulomatous disease.

V. Berger, 2003, The New England journal of medicine.

Quality of research: Improper evaluation of the quality of trials of retention rates

V. Berger, C. Jones, 2019, BDJ.

Analysis of Covariance: Nonparametric

Vance W. Berger, V. Berger, 2005 .

Improving Tests for Superior Treatment in Contingency Tables

V. Berger, H. Sackrowitz, 1997 .

Allocation concealment continues to be misunderstood.

V. Berger, Anh-Chi Do, 2010, Journal of clinical epidemiology.

Trial quality checklists: on the need to multiply (not add) scores

V. Berger, S. Alperson, Kaitlin E. Palys, 2013, Clinical Oral Investigations.

Letter to the Editor

V. Berger, 2008 .

Do Methodological Flaws Invalidate a Randomized Trial of Lifestyle Modification Programs in Obese Patients?

V. Berger, 2009, Annals of Internal Medicine.

On improving research methodology in clinical trials

V. Berger, J. Matthews, E. Grosch, 2008, Statistical methods in medical research.

Which Randomization Methods Are Used Most Frequently in Clinical Trials? Results of a Survey by the Randomization Working Group

V. Berger, R. Hilgers, O. Sverdlov, 2023, Statistics in Biopharmaceutical Research.

The asymptotic maximal procedure for subject randomization in clinical trials

V. Berger, Wenle Zhao, Zhenning Yu, 2018, Statistical methods in medical research.

The Alleged Benefits of Unrestricted Randomization

V. Berger, 2017 .

Comparing MTI randomization procedures to blocked randomization

Vance W Berger, Klejda Bejleri, Rebecca Agnor, 2016, Statistics in medicine.

Adjusting for observable selection bias in block randomized trials

Anastasia Ivanova, Vance W Berger, Robert C Barrier, 2005, Statistics in medicine.

Permutation Tests for Phase III Clinical Trials

V. Berger, A. Ivanova, 2001 .

On the insufficiency of reporting masking.

V. Berger, 2013, Journal of rehabilitation medicine.

Valid Adjustment of Randomized Comparisons for Binary Covariates

V. Berger, 2004 .

Adjusting for Ordinal Covariates by Inducing a Partial Ordering

V. Berger, L. Tremmel, A. Ivanova, 2004 .

Re: Quality of reporting of modern randomized controlled trials in medical oncology: a systematic review.

V. Berger, Kaitlin E. Palys, 2013, Journal of the National Cancer Institute.

Two by Two Contingency Tables

V. Berger, Li Liu, 2005 .

Assessing the success of masking in acupuncture trials: Further insight

V. Berger, 2011, Chinese journal of integrative medicine.

Kolmogorov–Smirnov Tests

Vance W. Berger, V. Berger, YanYan Zhou, 2005 .

Controversies in Clinical Trials

V. Berger, 2008, Statistical methods in medical research.

Breslow–Day Statistic

Molin Wang, V. Berger, 2005 .

Admissibility of exact conditional tests of stochastic order

V. Berger, 1998 .

Randomization and Permutation Tests

P. Onghena, V. Berger, J. R. Matthews, 2019, Principles and Practice of Clinical Trials.

68. Randomization Procedures

Vance W. Berger, Rick Chappell, William C. Grant, 2014 .

Letter to the editor. "Exact permutation tests for correlated binomial variables" by J. Yu, J. L. Kepner and R. Iyer.

V. Berger, 2010, Biometrical journal. Biometrische Zeitschrift.

Regarding paper "A note on P-values for two-sided tests".

V. Berger, 2008, Biometrical journal. Biometrische Zeitschrift.

A Priori v Post Hoc Testing

Vance W. Berger, V. Berger, 2005 .

Analysis of Trichotomous Pharmaceutical Endpoints

V. Durkalski, V. Berger, 2005, Journal of biopharmaceutical statistics.

The bias of linear rank tests when testing for stochastic order in ordered categorical data

V. Berger, A. Ivanova, 2002 .

Drawbacks to Integer Scoring for Ordered Categorical Data

V. Berger, Anastasia Ivanova, 2001, Biometrics.

Conditional estimation and inference to address observed covariate imbalance in randomized clinical trials

V. Berger, Zhiwei Zhang, Chunling Liu, 2018, Clinical trials.

A Novel Criterion for Selecting Covariates

V. Berger, 2005 .

Characterizing permuted block randomization as a big stick procedure

Vance W. Berger, Isoken Odia, V. Berger, 2016, Contemporary clinical trials communications.

A note on conditional and unconditional allocation concealment

Vance W. Berger, V. Berger, 2014 .

Sensitivity designs for preventing bias replication in randomized clinical trials

William C. Grant, V. Berger, Laura F Vazquez, 2010, Statistical methods in medical research.

Iron repletion attenuates the protective effects of iron deficiency in DMBA-induced mammary tumors in rats.

J. Hertz, V. Berger, C. Tantillo, 1995, Nutrition and cancer.

On the need for objective measures of risk of bias.

V. Berger, S. Mickenautsch, 2015, Contemporary clinical trials.

A note on the evaluation of BoNTA trial quality

V. Berger, Diana Knoll, 2011, Inflammopharmacology.

Meta-analyses: Only as reliable as the primary studies on which they are based.

V. Berger, 2016, International journal of nursing practice.

A review of randomization methods in clinical trials

Vance W. Berger, Olga Antsygina, V. Berger, 2015 .

On “Re‐randomization tests as sensitivity analyses to confirm immunological noninferiority of an investigational vaccine: Case study” by Luca Grassano et al. (2023, Pharmaceutical Statistics)

V. Berger, O. Sverdlov, Kerstine Carter, 2024, Pharmaceutical statistics.