2 citations · 4 across the 4 of their papers we have counts for
4 papers
Towards Optimal Use of Surrogate Markers to Improve Power
Xuan Wang, Layla Parast, Lu Tian +1
Motivated by increasing pressure for decision makers to shorten the time required to evaluate the efficacy of a treatment such that treatments deemed safe and effective can be made…
On the Evaluation of Surrogate Markers in Real World Data Settings
Larry Han, Xuan Wang, Tianxi Cai
Shortcomings of randomized clinical trials are pronounced in urgent health crises, when rapid identification of effective treatments is critical. Leveraging short-term surrogates i…
A new weighting method when not all the events are selected as cases in a nested case-control study
Qian M. Zhou, Xuan Wang, Yingye Zheng +1
Nested case-control (NCC) is a sampling method widely used for developing and evaluating risk models with expensive biomarkers on large prospective cohort studies. The biomarker va…
Risk Prediction with Imperfect Survival Outcome Information from Electronic Health Records
Stephanie F. Chan, Jue Hou, Xuan Wang +1
Readily available proxies for time of disease onset such as time of the first diagnostic code can lead to substantial risk prediction error if performing analyses based on poor pro…