Results 31 to 40 of about 2,780,395 (295)
Exact properties of Efron's biased coin randomization procedure [PDF]
, 2010 Efron [Biometrika 58 (1971) 403--417] developed a restricted randomization procedure to promote balance between two treatment groups in a sequential clinical trial. He called this the biased coin design. He also introduced the concept of accidental bias,
Markaryan, Tigran +1 more
core +1 more source
Selection and Misclassification Biases in Longitudinal Studies
Frontiers in Veterinary Science, 2018 Using imperfect tests may lead to biased estimates of disease frequency and measures of association. Many studies have looked into the effect of misclassification on statistical inferences.
Denis Haine +5 more
doaj +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background An international Delphi panel of experts developed consensus statements to delineate the circumstances where the risks of dexamethasone as an antiemetic do and do not outweigh its benefits. Procedure Experts in supportive care of pediatric patients were invited to participate.
Negar Shavandi +20 more
wiley +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background and Aims Wilms tumour (WT) has excellent event‐free and overall survival (OS). However, small differences exist between countries participating in the same international study. This led us to examine variation in adherence to protocol recommendations as a potential contributing factor.
Suzanne Tugnait +23 more
wiley +1 more source
The Galaxy Power Spectrum and Bispectrum in Redshift Space
, 2018 We present the complete expression for the next-to-leading (1-loop) order galaxy power spectrum and the leading-order galaxy bispectrum in redshift space in the general bias expansion, or equivalently the effective field theory of biased tracers.
Desjacques, Vincent +2 more
core +1 more source
Selection Bias in News Coverage: Learning it, Fighting it [PDF]
, 2018 News entities must select and filter the coverage they broadcast through their respective channels since the set of world events is too large to be treated exhaustively.
Aberer, Karl +2 more
core +2 more sources
Pediatric Blood &Cancer, EarlyView.ABSTRACT Objective To evaluate the diagnostic yield and utility of universal paired tumor–normal multigene panel sequencing in newly diagnosed pediatric solid and central nervous system (CNS) tumor patients and to compare the detection of germline pathogenic/likely pathogenic variants (PV/LPVs) against established clinical referral criteria for cancer ...
Natalie Waligorski +9 more
wiley +1 more source
An Empirical Analysis of the Effects of Selectivity and Endogeneity Problems on Returns to Education [PDF]
فصلنامه پژوهشهای اقتصادی ایران, 2008 This articles aims at evaluating the effects of selectivity and endogeneity problems on returns to education caused by individuals' decision to attend school and to participate in the labour market.
Abolghasem Naderi
doaj
Outcomes of Live Virus Vaccination in Patients With Vascular Anomalies Being Treated With Sirolimus
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Live vaccination in patients with vascular anomalies (VA) receiving sirolimus remains controversial due to immunosuppressive effects and theoretical risks. Procedure This single‐center retrospective study included patients with VA less than 4 years old at the start of sirolimus therapy who were incompletely vaccinated.
Svatava Merkle +5 more
wiley +1 more source
Shift work and cardiovascular disease – do the new studies add to our knowledge?
Scandinavian Journal of Work, Environment & Health, 2018 The association of shift work with cardiovascular disease (CVD) has been studied for decades with new systematic reviews repeatedly being published (1–4). Based on 34 studies and over 2 million employees, the systematic review of Vyas et al (4) concluded
Mikko Härmä +2 more
doaj +1 more source