output
20132025
most citedEstimating heterogeneous survival treatment effect in observational data using machine learning

78 citations

21 papers

cs.CL2025★ 1 cited

Memorization in Large Language Models in Medicine: Prevalence, Characteristics, and Implications

Anran Li, Lingfei Qian, Mengmeng Du +18

Large Language Models (LLMs) have demonstrated significant potential in medicine, with many studies adapting them through continued pre-training or fine-tuning on medical data to e…

stat.ME2025

Improving Transportability of Regression Calibration Under the Main/External Validation Study Design

Zexiang Li, Donna Spiegelman, Molin Wang +2

In epidemiology, obtaining accurate individual exposure measurements can be costly and challenging. Thus, these measurements are often subject to error. Regression calibration with…

stat.ME2025

A tutorial on conducting sample size and power calculations for detecting treatment effect heterogeneity in cluster randomized trials with linear mixed models

Mary Ryan Baumann, Monica Taljaard, Patrick J. Heagerty +4

Cluster-randomized trials (CRTs) are a well-established class of designs for evaluating community-based interventions. An essential task in planning these trials is determining the…

stat.ME2024★ 2 cited

A flexible Bayesian g-formula for causal survival analyses with time-dependent confounding

Xinyuan Chen, Liangyuan Hu, Fan Li

In longitudinal observational studies with time-to-event outcomes, a common objective in causal analysis is to estimate the causal survival curve under hypothetical intervention sc…

stat.ME2023★ 6 cited

Maximin optimal cluster randomized designs for assessing treatment effect heterogeneity

Mary M. Ryan, Denise Esserman, Fan Li

Cluster randomized trials (CRTs) are studies where treatment is randomized at the cluster level but outcomes are typically collected at the individual level. When CRTs are employed…

stat.ME2022★ 1 cited

Causal Selection of Covariates in Regression Calibration for Mismeasured Continuous Exposure

Wenze Tang, Donna Spiegelman, Xiaomei Liao +1

Regression calibration as developed by Rosner, Spiegelman and Willet is used to correct the bias in effect estimates due to measurement error in continuous exposures. The method in…

cs.CV2022★ 31 cited

Self-supervised contrastive learning of echocardiogram videos enables label-efficient cardiac disease diagnosis

Gregory Holste, Evangelos K. Oikonomou, Bobak J. Mortazavi +2

Advances in self-supervised learning (SSL) have shown that self-supervised pretraining on medical imaging data can provide a strong initialization for downstream supervised classif…

stat.ME2021★ 2 cited

Conditional Cross-Design Synthesis Estimators for Generalizability in Medicaid

Irina Degtiar, Tim Layton, Jacob Wallace +1

While much of the causal inference literature has focused on addressing internal validity biases, both internal and external validity are necessary for unbiased estimates in a targ…

stat.ME2021★ 13 cited

Generalizing trial evidence to target populations in non-nested designs: Applications to AIDS clinical trials

Fan Li, Ashley L. Buchanan, Stephen R. Cole

Comparative effectiveness evidence from randomized trials may not be directly generalizable to a target population of substantive interest when, as in most cases, trial participant…

stat.AP2020★ 78 cited

Estimating heterogeneous survival treatment effect in observational data using machine learning

Liangyuan Hu, Jiayi Ji, Fan Li

Methods for estimating heterogeneous treatment effect in observational data have largely focused on continuous or binary outcomes, and have been relatively less vetted with surviva…

eess.SP2020★ 22 cited

Multi-way Graph Signal Processing on Tensors: Integrative analysis of irregular geometries

Jay S. Stanley, Eric C. Chi, Gal Mishne

Graph signal processing (GSP) is an important methodology for studying data residing on irregular structures. As acquired data is increasingly taking the form of multi-way tensors,…

cs.DC2018★ 4 cited

A Scalable Data Science Platform for Healthcare and Precision Medicine Research

Jacob McPadden, Thomas JS Durant, Dustin R Bunch +9

Objective: To (1) demonstrate the implementation of a data science platform built on open-source technology within a large, academic healthcare system and (2) describe two computat…

cs.DC2018★ 11 cited

TrialChain: A Blockchain-Based Platform to Validate Data Integrity in Large, Biomedical Research Studies

Hao Dai, H Patrick Young, Thomas JS Durant +5

The governance of data used for biomedical research and clinical trials is an important requirement for generating accurate results. To improve the visibility of data quality and a…

cs.AI2018★ 46 cited

A comparative study of artificial intelligence and human doctors for the purpose of triage and diagnosis

Salman Razzaki, Adam Baker, Yura Perov +10

Online symptom checkers have significant potential to improve patient care, however their reliability and accuracy remain variable. We hypothesised that an artificial intelligence…

q-bio.SC2018

Kinetics of Protein-DNA Interactions: First-Passage Analysis

Maria P. Kochugaeva, Alexey A. Shvets, Anatoly B. Kolomeisky

All living systems can function only far away from equilibrium, and for this reason chemical kinetic methods are critically important for uncovering the mechanisms of biological pr…

stat.OT2018★ 1 cited

Risk Factors Associated with Mortality in Game of Thrones: A Longitudinal Cohort Study

Suveen Angraal, Ambika Bhatnagar, Suraj Verma +3

Objective: To assess mortality, and identify the risk factors associated with mortality in Game of Thrones (GoT). Design and Setting: A longitudinal cohort study in the fictional k…

stat.ML2017★ 1 cited

On Consistency of Graph-based Semi-supervised Learning

Chengan Du, Yunpeng Zhao, Feng Wang

Graph-based semi-supervised learning is one of the most popular methods in machine learning. Some of its theoretical properties such as bounds for the generalization error and the…

stat.AP2016★ 11 cited

Pathophysiological Domains Underlying the Metabolic Syndrome: An Alternative Factor Analytic Strategy

Carel F. W. Peeters, James Dziura, Floryt van Wesel

Purpose: Factor analysis (FA) has become part and parcel in metabolic syndrome (MBS) research. Both exploration- and confirmation-driven factor analyzes are rampant. However, facto…

math.ST2015

A Stopped Negative Binomial Distribution

Michelle DeVeaux, Michael J. Kane, Daniel Zelterman

This paper introduces a new discrete distribution suggested by curtailed sampling rules common in early-stage clinical trials. We derive the distribution of the smallest number of…

stat.AP2015

On Joint Estimation of Gaussian Graphical Models for Spatial and Temporal Data

Zhixiang Lin, Tao Wang, Can Yang +1

In this paper, we first propose a Bayesian neighborhood selection method to estimate Gaussian Graphical Models (GGMs). We show the graph selection consistency of this method in the…

stat.ME2013★ 4 cited

Semi-Penalized Inference with Direct False Discovery Rate Control in High-Dimensions

Jian Huang, Shuangge Ma, Cun-Hui Zhang +1

We propose a new method, semi-penalized inference with direct false discovery rate control (SPIDR), for variable selection and confidence interval construction in high-dimensional…