Results 1 to 10 of about 1,150,435 (207)
Quantifying selection bias due to unobserved patients in pharmacoepidemiologic studies of severe COVID-19 cohorts. [PDF]
BMC Med Res MethodolBokern M +4 more
europepmc +3 more sources
Sensitivity analysis of selection bias: a graphical display by bias-correction index [PDF]
PeerJ, 2023 Background In observational studies, how the magnitude of potential selection bias in a sensitivity analysis can be quantified is rarely discussed. The purpose of this study was to develop a sensitivity analysis strategy by using the bias-correction ...
Ping-Chen Chung, I-Feng Lin
doaj +2 more sources
The Impact of Primary Tumor Resection on Survival in Asymptomatic Colorectal Cancer Patients With Unresectable Metastases [PDF]
Annals of Coloproctology, 2021 Purpose This study was conducted to evaluate the effectiveness of primary tumor resection (PTR) in asymptomatic colorectal cancer (CRC) patients with unresectable metastases using the inverse probability of treatment weighting (IPTW) method to minimize ...
Ki Yoon Doah +4 more
doaj +1 more source
Canadian Medical Association Journal, 2017 As experienced front-line obstetricians with leadership responsibilities, we have concerns with the conclusions and implications of the article by Muraca and colleagues on operative delivery in the second stage of labour.[1][1] Although an important strength is the size of this population ...
Jon F R, Barrett +4 more
openaire +2 more sources
Mitigating selection bias in organ allocation models
BMC Medical Research Methodology, 2021 Background The lung allocation system in the U.S. prioritizes lung transplant candidates based on estimated pre- and post-transplant survival via the Lung Allocation Scores (LAS).
Erin M. Schnellinger +5 more
doaj +1 more source
The directions of selection bias [PDF]
Statistics & Probability Letters, 2017 We show that if the exposure and the outcome affect the selection indicator in the same direction and have non-positive interaction on the risk difference, risk ratio or odds ratio scale, the exposure-outcome odds ratio in the selected population is a lower bound for true odds ratio.
Jiang, Zhichao, Ding, Peng
openaire +3 more sources
Frontiers in Psychology, 2020 Coaches are faced with the difficult task of identifying and selecting athletes to their team. Despite its widespread practice in sport, there is still much to learn about improving the identification and selection process.
Kathryn Johnston, Joseph Baker
doaj +1 more source
Heterogeneous Causal Effects and Sample Selection Bias [PDF]
Sociological Science, 2015 The role of education in the process of socioeconomic attainment is a topic of long standing interest to sociologists and economists. Recently there has been growing interest not only in estimating the average causal effect of education on outcomes such ...
Richard Breen +2 more
doaj +1 more source
Response to “Selection bias” [PDF]
Canadian Medical Association Journal, 2017 We thank Dr. Jansz[1][1] for his interest in our surveillance report.[2][2] We recognize that understanding the intricacies of the CanTravNet data would be difficult without first-hand experience of our network and its patient population. CanTravNet is a consortium of post-travel (not pretravel)
Andrea K, Boggild +13 more
openaire +2 more sources
Reward predictions bias attentional selection
Frontiers in Human Neuroscience, 2013 Attention selects stimuli for perceptual and cognitive processing according to an adaptive selection schedule. It has long been known that attention selects stimuli that are task relevant or perceptually salient.
Brian August Anderson +2 more
doaj +1 more source