Publications

Mary M. Ryan, Denise Esserman, Monica Taljaard, Fan Li (2023). Power calculation for cross-sectional stepped wedge cluster randomized trials with a time-to-event endpoint. arXiv preprint.

Ruyi Liu, Fan Li, Denise Esserman, Mary M. Ryan (2023). Group sequential two-stage preference designs. Statistics in Medicine.

Pascale Nevins, Mary M. Ryan, Kendra Davis-Plourde, Yongdong Ouyang, Jules Antoine Pereira Macedo, Can Meng, Guangyu Tong, Xueqi Wang, Luis Ortiz-Reyes, Agnes Caille, Fan Li, Monica Taljaard (2023). Adherence to key recommendations for design and analysis of stepped-wedge cluster randomized trials - A review of trials published 2016–2022. Clinical Trials.

Can Meng, Mary M. Ryan, Paul J. Rathouz, Elizabeth L. Turner, John S. Preisser, Fan Li (2023). ORTH.Ord - An R package for analyzing correlated ordinal outcomes using alternating logistic regressions with orthogonalized residuals. Computer Methods and Programs in Biomedicine.

Mary M. Ryan, Denise Esserman, Fan Li (2023). Maximin optimal cluster randomized designs for assessing treatment effect heterogeneity. Statistics in Medicine.

Pascale Nevins, Kendra Davis-Plourde, Jules Antoine Pereira Macedo, Yongdong Ouyang, Mary M. Ryan, Guangyu Tong, Xueqi Wang, Can Meng, Luis Ortiz-Reyes, Fan Li, Agnes Caille, Monica Taljaard (2023). A scoping review described diversity in methods of randomization and reporting of baseline balance in stepped-wedge cluster randomized trials. Journal of Clinical Epidemiology.

Mary M. Ryan, Daniel L. Gillen (2023). Sequential Sampling in Prospective Observational Studies. Annals of Applied Statistics.

Mary M. Ryan, Joshua D. Grill, Daniel L. Gillen (2021). Reasons for undergoing amyloid imaging among cognitively unimpaired older adults. Annals of Clinical and Translational Neurology.

Mary M. Ryan, Chelsea G. Cox, Megan Witbracht, Dan Hoang, Daniel L. Gillen, Joshua D. Grill (2020). Using Direct-to-Consumer Genetic Testing Results to Accelerate Alzheimer Disease Clinical Trial Recruitment. Alzheimers Disease & Associated Disorders.

Chelsea G. Cox, Mary M. Ryan, Daniel L. Gillen, Joshua D. Grill (2020). Is Reluctance to Share Alzheimer’s Disease Biomarker Status with a Study Partner a Barrier to Preclinical Trial Recruitment?. The Journal of Prevention of Alzheimers Disease.

Mary M. Ryan, William D. Spotnitz, Daniel L. Gillen (2020). Variance estimation for the Kappa statistic in the presence of clustered data and heterogeneous observations. Statistics in Medicine.

Chelsea G. Cox, Mary M. Ryan, Daniel L. Gillen, Joshua D. Grill (2019). A preliminary study of clinical trial enrollment decisions among people with Mild Cognitive Impairment and their study partners. The American Journal of Geriatric Psychiatry.

Mary M. Ryan, Joshua D. Grill, Daniel L. Gillen (2019). Participant and Study Partner Prediction and Identification of Cognitive Impairment in Preclinical Alzheimer's Disease- Study Partner vs. Participant Accuracy. Alzheimers Research & Therapy.