Results 31 to 40 of about 263,464 (354)

Using matching methods to account for selection bias in Norway’s Primary Care Teams (PCT) pilot

Nordic Journal of Health Economics, 2021
Norway is piloting team-based primary care delivery models: Honorarmodellen (HM) and Driftstilskuddsmodellen (DM). In addition to organisational changes, the DM transforms provider payment, which seems to attract specific practices.
Øyvind Snilsberg
doaj   +1 more source

An evaluation of the US African Growth and Opportunity Act (AGOA) trade arrangement with Sub-Saharan African countries [PDF]

PSL Quarterly Review, 2018
This paper evaluates the impact of the US African Growth and Opportunity Act (AGOA) trade arrangement on the growth of exports from Sub-Saharan African (SSA) countries. Using several variants of propensity score matching techniques, results show that the
Busani Moyo, Mamello Nchake, Blessing Chiripanhura   +2 more
doaj   +1 more source

Propensity score matching for causal inference and reducing the confounding effects: statistical standard and guideline of Life Cycle Committee

Life Cycle, 2022
Since the development of research methodology, there has always been keen interest in developing the accuracy of the research by comparing covariates.
S. Lee, K. P. Acharya
semanticscholar   +1 more source

Propensity Scores: A Practical Introduction Using R

Journal of MultiDisciplinary Evaluation, 2015
Background: This paper provides an introduction to propensity scores for evaluation practitioners. Purpose: The purpose of this paper is to provide the reader with a conceptual and practical introduction to propensity scores, matching using propensity ...
Antonio Olmos, Priyalatha Govindasamy
doaj   +1 more source

Prediction of factors influencing the timing and prognosis of early tracheostomy in patients with multiple rib fractures: A propensity score matching analysis

Frontiers in Surgery, 2022
ObjectiveTo investigate the factors affecting the timing and prognosis of early tracheostomy in multiple rib fracture patients.MethodsA retrospective case-control study was used to analyze the clinical data of 222 patients with multiple rib fractures who
Bing Zhang, Gong-Ke Li, Yu-Rong Wang, Fei Wu, Su-Qin Shi, Xin Hang, Qin-Ling Feng, Yong Li, Xian-Yao Wan   +8 more
doaj   +1 more source

Optimal caliper widths for propensity-score matching when estimating differences in means and differences in proportions in observational studies

Pharmaceutical statistics, 2010
In a study comparing the effects of two treatments, the propensity score is the probability of assignment to one treatment conditional on a subject's measured baseline covariates.
Peter C. Austin
semanticscholar   +1 more source

Trauma risk score matching for observational studies in orthopedic trauma dataset and code

Data in Brief, 2022
The dataset presented was collected via retrospective review from an orthopedic trauma database approved by the institutional review board at the author's institution from patients treated at any of the four hospitals serviced by the academic orthopedic ...
Rown Parola, Abhishek Ganta, Kenneth A. Egol, Sanjit R. Konda   +3 more
doaj   +1 more source

Balance diagnostics after propensity score matching.

Annals of Translational Medicine, 2019
Propensity score matching (PSM) is a popular method in clinical researches to create a balanced covariate distribution between treated and untreated groups.
Wentao Bao, H. Kim, G. Lonjon, Yibing Zhu   +3 more
semanticscholar   +1 more source

Propensity Score Matching: should we use it in designing observational studies? [PDF]

BMC Medical Research Methodology
Propensity Score Matching (PSM) stands as a widely embraced method in comparative effectiveness research. PSM crafts matched datasets, mimicking some attributes of randomized designs, from observational data.
F. Wan
semanticscholar   +1 more source

Severe clinical outcomes of COVID-19 associated with proton pump inhibitors: a nationwide cohort study with propensity score matching

Gut, 2020
Objective The adverse effects of proton pump inhibitors (PPIs) have been documented for pneumonia; however, there is no consensus regarding whether the use of PPIs might be harmful regarding the risk of severe acute respiratory syndrome coronavirus 2 ...
Seung Won Lee, E. K. Ha, A. Yeniova, S. Moon, So Young Kim, Hyun Yong Koh, Jee Myung Yang, S. Jeong, S. Moon, J. Cho, I. Yoo, D. Yon   +11 more
semanticscholar   +1 more source