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The Stata Journal
Volume 12 Number 2: pp. 257-283

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Threshold regression for time-to-event analysis: The stthreg package

Tao Xiao
The Ohio State University
Columbus, OH
G. A. Whitmore
McGill University
Montreal, Canada
Xin He
University of Maryland
College Park, MD
Mei-Ling Ting Lee
University of Maryland
College Park, MD
Abstract.  In this article, we introduce the stthreg package of Stata commands to fit the threshold regression model, which is based on the first hitting time of a boundary by the sample path of a Wiener diffusion process and is well suited to applications involving time-to-event and survival data. The threshold regression model serves as an important alternative to the Cox proportional hazards model. The four commands that comprise this package for the threshold regression model are the model-fitting command stthreg, the postestimation command trhr for hazard-ratio calculation, the postestimation command trpredict for prediction, and the model diagnostics command sttrkm. These commands can also be used to implement an extended threshold regression model that accommodates applications where a cure rate exists.
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View all articles by these authors: Tao Xiao, G. A. Whitmore, Xin He, Mei-Ling Ting Lee

View all articles with these keywords: stthreg, trhr, trpredict, sttrkm, bootstrap, Cox proportional hazards regression, cure rate, first hitting time, hazard ratios, model diagnostics, survival analysis, threshold regression, time-to-event data, Wiener diffusion process

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