Results 1 to 10 of about 131,451 (287)

Propensity score methodology for confounding control in health care utilization databases

open access: yesEpidemiology, Biostatistics and Public Health, 2022
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  

The feasibility of matching on a propensity score for acupuncture in a prospective cohort study of patients with chronic pain

open access: yesBMC Medical Research Methodology, 2017
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
doaj   +1 more source

Entropy balancing is doubly robust

open access: yes, 2016
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

open access: yes, 2014
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
core   +1 more source

Propensity score adjustment of a treatment effect with missing data in psychiatric health services research

open access: yesEpidemiology, Biostatistics and Public Health, 2022
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  

Demystifying Smoker's Paradox: A Propensity Score–Weighted Analysis in Patients Hospitalized With Acute Heart Failure

open access: yesJournal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2019
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
doaj   +1 more source

Outlier classification performance of risk adjustment methods when profiling multiple providers

open access: yesBMC Medical Research Methodology, 2018
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]

open access: yes, 2018
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

A new approach to hierarchical data analysis: Targeted maximum likelihood estimation for the causal effect of a cluster-level exposure

open access: yes, 2018
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
core   +1 more source

Post‐endoscopic retrograde cholangiopancreatography pancreatitis in single‐stage endoscopic common bile duct stone removal

open access: yesJGH Open, 2020
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
doaj   +1 more source

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