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Mary Margaret Ryan
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A preliminary study of clinical trial enrollment decisions among people with mild cognitive impairment and their study partners
CG Cox, MM Ryan, DL Gillen, JD Grill
The American Journal of Geriatric Psychiatry 27 (3), 322-332, 2019
262019
Participant and study partner prediction and identification of cognitive impairment in preclinical Alzheimer’s disease: study partner vs. participant accuracy
MM Ryan, JD Grill, DL Gillen, ...
Alzheimer's research & therapy 11, 1-8, 2019
162019
Using direct-to-consumer genetic testing results to accelerate Alzheimer disease clinical trial recruitment
MM Ryan, CG Cox, M Witbracht, D Hoang, DL Gillen, JD Grill
Alzheimer Disease & Associated Disorders 35 (2), 141-147, 2021
82021
Is reluctance to share Alzheimer’s disease biomarker status with a study partner a barrier to preclinical trial recruitment?
CG Cox, MM Ryan, DL Gillen, JD Grill
The journal of prevention of Alzheimer's disease 8, 52-58, 2021
62021
A scoping review described diversity in methods of randomization and reporting of baseline balance in stepped-wedge cluster randomized trials
P Nevins, K Davis-Plourde, JAP Macedo, Y Ouyang, M Ryan, G Tong, ...
Journal of clinical epidemiology 157, 134-145, 2023
52023
Reasons for undergoing amyloid imaging among cognitively unimpaired older adults
MM Ryan, DL Gillen, JD Grill
Annals of clinical and translational neurology 8 (8), 1646-1655, 2021
52021
Adherence to key recommendations for design and analysis of stepped-wedge cluster randomized trials: A review of trials published 2016–2022
P Nevins, M Ryan, K Davis-Plourde, Y Ouyang, JA Pereira Macedo, ...
Clinical Trials, 17407745231208397, 2023
32023
Handling of covariates in stepped-wedge cluster randomized trials: Protocol for a methodological review
P Nevins, K Davis-Plourde, J Pereira Macedo, Y Ouyang, M Ryan, G Tong, ...
22022
ORTH. Ord: An R package for analyzing correlated ordinal outcomes using alternating logistic regressions with orthogonalized residuals
C Meng, M Ryan, PJ Rathouz, EL Turner, JS Preisser, F Li
Computer Methods and Programs in Biomedicine 237, 107567, 2023
12023
Variance estimation for the Kappa statistic in the presence of clustered data and heterogeneous observations
MM Ryan, WD Spotnitz, DL Gillen
Statistics in Medicine 39 (14), 1941-1951, 2020
12020
An analysis of bullying and suicide in the United States using a non-gaussian multivariate spatial model
M Ryan, CK Wikle, SH Holan
Recuperado de: http://ncurproceedings. org/ojs/index. php/NCUR2015/article …, 2015
12015
Group sequential two‐stage preference designs
R Liu, F Li, D Esserman, MM Ryan
Statistics in Medicine 43 (2), 315-341, 2024
2024
Power calculation for cross-sectional stepped wedge cluster randomized trials with a time-to-event endpoint
MM Ryan, D Esserman, M Taljaard, F Li
arXiv preprint arXiv:2312.13097, 2023
2023
Maximin optimal cluster randomized designs for assessing treatment effect heterogeneity
MM Ryan, D Esserman, F Li
Statistics in Medicine 42 (21), 3764-3785, 2023
2023
Impact of study partner type on primary endpoint volatility in a phase 3 registration trial of mild‐to‐moderate Alzheimer’s disease
MM Ryan, DL Gillen, JD Grill
Alzheimer's & Dementia 19, e067945, 2023
2023
Sequential sampling in prospective observational studies
MM Ryan, DL Gillen
The Annals of Applied Statistics 17 (1), 153-177, 2023
2023
Impact of Study Partner Replacement in Mild Cognitive Impairment Clinical Trials
LA Dolmadjian, MM Ryan, J Grill, DL Gillen
Alzheimer's & Dementia 18, e065311, 2022
2022
Robustness and Efficiency in Modern Biostatistical Studies
MM Ryan
University of California, Irvine, 2021
2021
A Methodological Review Found that Randomization is Often Fragile in Stepped-Wedge Cluster Randomized Trials
M Taljaard, P Nevins, K Davis-Plourde, JP Macedo, Y Ouyang, M Ryan, ...
Available at SSRN 4326210, 0
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