نتایج جستجو برای: propensity score analysis

تعداد نتایج: 2988660  

2015

Using data from two freshmen cohorts at a public research university (N = 3,730), this study examines the relationship between loan aid and second-year enrollment persistence. Applying a counterfactual analytical framework that relies on propensity score (PS) weighing and matching to address selection bias associated with treatment status, the study estimates that loan aid exerts a significant ...

2014
Shao-Liang Zhu Yang Ke Yu-Chong Peng Liang Ma Hang Li Le-Qun Li Jian-Hong Zhong

BACKGROUND The aim of this study was to compare the long-term outcome of patients with a solitary large (> 5 cm) hepatocellular carcinoma (HCC) in Barcelona Clinic Liver Cancer (BCLC) stage A who received liver resection (LR) or transarterial chemoembolization (TACE). METHODS Our study examined 128 patients treated by LR and 90 treated by TACE. To reduce bias in patient selection, we conducte...

2012
Kosuke Imai

I begin this discussion by thanking Larry Hedges, the editor of the journal, for giving me an opportunity to provide a commentary on this stimulating article. I also would like to congratulate the authors of the article for their insightful discussion on causal mediation analysis, which is one of the most important and challenging methodological problems we face in the literature of causal infe...

Journal: :Journal of the American College of Surgeons 2017

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