Results 1 to 10 of about 131,451 (287)
Propensity score methodology for confounding control in health care utilization databases
Propensity score (PS) methodology is a common approach to control for confounding in nonexperimental studies of treatment effects using health care utilization databases.
Elisabetta Patorno +3 more
doaj
Background Propensity scores are typically applied in retrospective cohort studies. We describe the feasibility of matching on a propensity score derived from a retrospective cohort and subsequently applied in a prospective cohort study of patients with ...
Eric S. Johnson +6 more
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Entropy balancing is doubly robust
Covariate balance is a conventional key diagnostic for methods used estimating causal effects from observational studies. Recently, there is an emerging interest in directly incorporating covariate balance in the estimation.
Percival, Daniel, Zhao, Qingyuan
core +1 more source
The Role of Peer Influence in Churn in Wireless Networks
Subscriber churn remains a top challenge for wireless carriers. These carriers need to understand the determinants of churn to confidently apply effective retention strategies to ensure their profitability and growth. In this paper, we look at the effect
Ferreira, Pedro, Han, Qiwei
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Background: Missing values are a common problem for data analyses in observational studies, which are frequently applied in health services research.
Benjamin Mayer, Bernd Puschner
doaj
Background Smoker's paradox has been observed with several vascular disorders, yet there are limited data in patients with acute heart failure (HF). We examined the effects of smoking in patients with acute HF using data from a large multicenter registry.
Suhail A. Doi +19 more
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Outlier classification performance of risk adjustment methods when profiling multiple providers
Background When profiling multiple health care providers, adjustment for case-mix is essential to accurately classify the quality of providers. Unfortunately, misclassification of provider performance is not uncommon and can have grave implications ...
Timo B. Brakenhoff +3 more
doaj +1 more source
Association of inferior vena cava filter placement for venous thromboembolic disease and a contraindication to anticoagulation with 30-day mortality [PDF]
Importance: Despite the absence of data from randomized clinical trials, professional societies recommend inferior vena cava (IVC) filters for patients with venous thromboembolic disease (VTE) and a contraindication to anticoagulation therapy.
Brown, David L +3 more
core +1 more source
We often seek to estimate the impact of an exposure naturally occurring or randomly assigned at the cluster-level. For example, the literature on neighborhood determinants of health continues to grow.
Balzer, Laura B. +3 more
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Background and Aims Papillary treatment, such as endoscopic sphincterotomy or endoscopic papillary balloon dilation, and subsequent single‐stage endoscopic stone removal are often performed for choledocholithiasis; however, the incidence of ...
Hirokazu Saito +9 more
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