Results 31 to 40 of about 33,194 (158)

On variance of the treatment effect in the treated using inverse probability weighting

, 2020
In the analysis of observational studies, inverse probability weighting (IPW) is commonly used to consistently estimate the average treatment effect (ATE) or the average treatment effect in the treated (ATT). The variance of the IPW ATE estimator is often estimated by assuming the weights are known and then using the so-called "robust" (Huber-White ...
Reifeis, Sarah A., Hudgens, Michael G.
openaire   +2 more sources

Inverse Probability of Treatment Weighting Using the Propensity Score With Competing Risks in Survival Analysis. [PDF]

Stat Med
ABSTRACT Inverse probability of treatment weighting (IPTW) using the propensity score allows estimation of the effect of treatment in observational studies. We had three objectives: first, to describe methods for using IPTW to estimate the effects of treatments in settings with competing risks; second, to illustrate the application of
Austin PC, Fine JP.
europepmc   +3 more sources

Demystifying stabilization in inverse probability of treatment weighting

Journal of Biopharmaceutical Statistics
Inverse probability of treatment weighting (IPTW) is a common approach to infer causal treatment effects when covariates are imbalanced at baseline or over time among treatment groups. One limitation of the IPTW is that a few observations with large weights can disproportionately influence inference, leading to dramatically increased variability in ...
Yong, Ma, Andrew, Giffin, Jiwei, He, Hana, Lee   +3 more
openaire   +2 more sources

Association between prolonged corticosteroids use in COVID-19 and increased mortality in hospitalized patients: a retrospective study with inverse probability of treatment weighting analysis

Critical Care, 2023
Background Previous studies have demonstrated a beneficial effect of early use of corticosteroids in patients with COVID-19. This study aimed to compare hospitalized patients with COVID-19 who received short-course corticosteroid treatment with those who
Marina Verçoza Viana, José Augusto Santos Pellegrini, Amanda Vilaverde Perez, Patrícia Schwarz, Daiandy da Silva, Cassiano Teixeira, Marcelo Basso Gazzana, Tatiana Helena Rech   +7 more
doaj   +1 more source

Preoperative Systemic Therapy Versus Upfront Surgery in HER2-Positive Breast Cancer in the Real World

Frontiers in Oncology, 2021
PurposeTo compare survival in different strategies, preoperative systemic treatment versus upfront surgery, in HER2-positive early breast cancer patients in the real world.MethodsAccording to the actual upfront treatment, eligible patients from 2012 to ...
Xingfei Yu, Chen Wang, Yabing Zheng, Beibei Miao, Jiejie Hu, Xiying Shao, Liming Sheng, Juan Lin, Yuqin Ding, Haojun Xuan, Yingying Ding, Lijie Gong, Weiliang Feng, Chengdong Qin, Daobao Chen, Yang Yu, Hongjian Yang   +16 more
doaj   +1 more source

A Generalized Bootstrap Procedure of the Standard Error and Confidence Interval Estimation for Inverse Probability of Treatment Weighting

Multivariate Behavioral Research, 2023
The inverse probability of treatment weighting (IPTW) approach is commonly used in propensity score analysis to infer causal effects in regression models. Due to oversized IPTW weights and errors associated with propensity score estimation, the IPTW approach can underestimate the standard error of causal effect.
Tenglong Li, Jordan Lawson
openaire   +3 more sources

Federated Inverse Probability Treatment Weighting for Individual Treatment Effect Estimation

ACM Transactions on Intelligent Systems and Technology
Individual Treatment Effect (ITE) estimation is to evaluate the causal effects of treatment strategies on some important outcomes, which is a crucial problem in healthcare. Most existing ITE estimation methods are designed for centralized settings.
Changchang Yin, Hong-You Chen, Wei-Lun Chao, Ping Zhang   +3 more
openaire   +3 more sources

Outcomes of congenital diaphragmatic hernia among preterm infants: inverse probability of treatment weighting analysis

Journal of Perinatology, 2022
Abstract Objectives To evaluate the survival and intact-survival rates among preterm infants with congenital diaphragm hernia (CDH). Study Design Multicenter retrospective cohort study of 849 infants born between 2006 and 2020 at 15 Japanese CDH study group facilities.
Yousuke Imanishi, Noriaki Usui, Taizo Furukawa, Kouji Nagata, Masahiro Hayakawa, Shoichiro Amari, Akiko Yokoi, Kouji Masumoto, Masaya Yamoto, Tadaharu Okazaki, Noboru Inamura, Katsuaki Toyoshima, Keita Terui, Hiroomi Okuyama   +13 more
openaire   +2 more sources

Surveillance for Hepatocellular Carcinoma Reduces Mortality: an Inverse Probability of Treatment Weighted Analysis

Annals of Hepatology, 2017
Evidence supporting benefit of hepatocellular carcinoma (HCC) surveillance in reducing mortality is not well-established. The effect of HCC surveillance in reducing mortality was assessed by an inverse probability of treatment weighting (IPTW)-based analysis controlled for inherent bias and confounders in observational studies.This retrospective cohort
Roongruedee Chaiteerakij, Piyanat Chattieng, Jonggi Choi, Nutcha Pinchareon, Kessirin Thanapirom, Nopavut Geratikornsupuk   +5 more
openaire   +3 more sources

A comparison of short-term therapeutic efficacy between infliximab and tacrolimus for moderate to severe ulcerative colitis

Romanian Journal of Internal Medicine, 2017
Introduction. Both infliximab (IFX) and tacrolimus (Tac) are effective for inducing clinical remission in patients with ulcerative colitis (UC). However, no randomized study has addressed the relative efficacies of IFX and Tac for patients with moderate ...
Yamagami Hirokazu, Nishida Yu, Nagami Yasuaki, Hosomi Shuhei, Yukawa Tomomi, Otani Koji, Tanaka Fumio, Taira Koichi, Kamata Noriko, Tanigawa Tetsuya, Shiba Masatsugu, Watanabe Toshio, Fujiwara Yasuhiro   +12 more
doaj   +1 more source