Results 11 to 20 of about 130,821 (302)

Introduction to propensity scores [PDF]

open access: yesRespirology, 2014
AbstractAlthough randomization provides a gold‐standard method of assessing causal relationships, it is not always possible to randomly allocate exposures. Where exposures are not randomized, estimating exposure effects is complicated by confounding. The traditional approach to dealing with confounding is to adjust for measured confounding variables ...
Elizabeth J, Williamson, Andrew, Forbes
openaire   +3 more sources

Propensity Scores: A Practical Introduction Using R

open access: yesJournal 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   +3 more sources

The impact of moderator by confounder interactions in the assessment of treatment effect modification: a simulation study

open access: yesBMC Medical Research Methodology, 2022
Background When performed in an observational setting, treatment effect modification analyses should account for all confounding, where possible. Often, such studies only consider confounding between the exposure and outcome.
Antonia Mary Marsden   +3 more
doaj   +1 more source

Evaluating Uses of Deep Learning Methods for Causal Inference

open access: yesIEEE Access, 2022
Logistic regression (LR) is a popular method that is used for estimating causal effects in observational studies using propensity scores. We examine the use of deep learning models such as the deep neural network (DNN), PropensityNet (PN), convolutional ...
Albert Whata, Charles Chimedza
doaj   +1 more source

Instability of estimation results based on caliper matching with propensity scores [PDF]

open access: yesPLoS ONE
Kazushi Maruo   +3 more
doaj   +2 more sources

Contrast-specific propensity scores [PDF]

open access: yesBiostatistics & Epidemiology, 2021
Basic propensity score methodology is designed to balance the distributions of multivariate pre-treatment covariates when comparing one active treatment with one control treatment. However, practical settings often involve comparing more than two treatments, where more complicated contrasts than the basic treatment-control one, (1,−1), are relevant ...
Shasha Han, Donald. B. Rubin
openaire   +2 more sources

Head to head comparison of the propensity score and the high-dimensional propensity score matching methods

open access: yesBMC Medical Research Methodology, 2016
Background Comparative performance of the traditional propensity score (PS) and high-dimensional propensity score (hdPS) methods in the adjustment for confounding by indication remains unclear.
Jason R. Guertin   +3 more
doaj   +1 more source

Propensity Score Matching in Non-Interventional Studies: A Step-by-Step Guide for Clinicians and Researchers [PDF]

open access: yesIranian Journal of Medical Sciences
Selection bias occurs when a study’s sample is not representative of the entire population, which can lead to incorrect conclusions.
Saeedeh Pourahmad, Farzan Madadizadeh
doaj   +1 more source

Evaluating effectiveness of payments for forest ecosystem services by propensity scores analysis [PDF]

open access: yesEkonomika Poljoprivrede (1979), 2020
The Vietnamese Government have been implementing the Payment for Forest Ecosystem Service (PFES) since 2008 with the aim of both improving natural forest status and enhancing income for mountainous community.
Nguyen Huynh Tan, Hung Nguyen Hoang
doaj  

Is the use of bipolar hemiarthroplasty over monopolar hemiarthroplasty justified? A propensity score-weighted analysis of a multicentre randomized controlled trial

open access: yesBone & Joint Open, 2023
Aims: Using data from the Hip Fracture Evaluation with Alternatives of Total Hip Arthroplasty versus Hemiarthroplasty (HEALTH) trial, we sought to determine if a difference in functional outcomes exists between monopolar and bipolar hemiarthroplasty (HA).
Marianne Comeau-Gauthier   +8 more
doaj   +1 more source

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