Two-phase sampling designs for data validation in settings with covariate measurement error and continuous outcome

G Amorim, R Tao, S Lotspeich, PA Shaw… - Journal of the Royal …, 2021 - academic.oup.com
Measurement errors are present in many data collection procedures and can harm analyses
by biasing estimates. To correct for measurement error, researchers often validate a …

AFFECT: an R package for accelerated functional failure time model with error-contaminated survival times and applications to gene expression data

LP Chen, HT Huang - BMC bioinformatics, 2024 - Springer
Background Survival analysis has been used to characterize the time-to-event data. In
medical studies, a typical application is to analyze the survival time of specific cancers by …

Multiwave validation sampling for error-prone electronic health records

BE Shepherd, K Han, T Chen, A Bian, S Pugh… - …, 2023 - academic.oup.com
Electronic health record (EHR) data are increasingly used for biomedical research, but these
data have recognized data quality challenges. Data validation is necessary to use EHR data …

Combining chains of Bayesian models with Markov melding

AA Manderson, RJB Goudie - Bayesian analysis, 2023 - pmc.ncbi.nlm.nih.gov
A challenge for practitioners of Bayesian inference is specifying a model that incorporates
multiple relevant, heterogeneous data sets. It may be easier to instead specify distinct …

Associations Between Gestational Weight Gain, Gestational Diabetes, and Childhood Obesity Incidence

NM Sneed, WJ Heerman, PA Shaw, K Han… - Maternal and Child …, 2024 - Springer
Introduction Excessive maternal gestational weight gain (GWG) is strongly correlated with
childhood obesity, yet how excess maternal weight gain and gestational diabetes mellitus …

Multivariate longitudinal analysis for the association between brain atrophy and cognitive impairment in prodromal Huntington's disease subjects

C Zheng, L Tong, Y Zhang - Journal of the Royal Statistical …, 2024 - academic.oup.com
Cognitive impairment has been widely accepted as a disease progression measure prior to
the onset of Huntington's disease. We propose a sophisticated measurement error …

Accelerated failure time models with error-prone response and nonlinear covariates

LP Chen - Statistics and Computing, 2024 - Springer
As a specific application of survival analysis, one of main interests in medical studies aims to
analyze the patients' survival time of a specific cancer. Typically, gene expressions are …

An imputation approach for a time-to-event analysis subject to missing outcomes due to noncoverage in disease registries

JH Shih, PS Albert, J Fine, D Liu - Biostatistics, 2024 - academic.oup.com
Disease incidence data in a national-based cohort study would ideally be obtained through
a national disease registry. Unfortunately, no such registry currently exists in the United …

Improved generalized raking estimators to address dependent covariate and failure‐time outcome error

EJ Oh, BE Shepherd, T Lumley, PA Shaw - Biometrical Journal, 2021 - Wiley Online Library
Biomedical studies that use electronic health records (EHR) data for inference are often
subject to bias due to measurement error. The measurement error present in EHR data is …

Assessing treatment effects in observational data with missing confounders: A comparative study of practical doubly-robust and traditional missing data methods

BD Williamson, C Krakauer, E Johnson… - arXiv preprint arXiv …, 2024 - arxiv.org
In pharmacoepidemiology, safety and effectiveness are frequently evaluated using readily
available administrative and electronic health records data. In these settings, detailed …