Results 21 to 30 of about 754 (135)
It is now known that early government interventions in pandemic management helps in slowing down the pandemic in the initial phase, during which a conservative basic reproduction number can be maintained.
Sreevalsan-Nair Jaya +4 more
doaj +1 more source
Minimally capturing heterogeneous complier effect of endogenous treatment for any outcome variable
When a binary treatment DD is possibly endogenous, a binary instrument δ\delta is often used to identify the “effect on compliers.” If covariates XX affect both DD and an outcome YY, XX should be controlled to identify the “XX-conditional complier ...
Lee Goeun +2 more
doaj +1 more source
Optimal balancing of time-dependent confounders for marginal structural models
Marginal structural models (MSMs) can be used to estimate the causal effect of a potentially time-varying treatment in the presence of time-dependent confounding via weighted regression.
Kallus Nathan, Santacatterina Michele
doaj +1 more source
Optimal weighting for estimating generalized average treatment effects
In causal inference, a variety of causal effect estimands have been studied, including the sample, uncensored, target, conditional, optimal subpopulation, and optimal weighted average treatment effects.
Kallus Nathan, Santacatterina Michele
doaj +1 more source
Testing for treatment effect twice using internal and external controls in clinical trials
Leveraging external controls – relevant individual patient data under control from external trials or real-world data – has the potential to reduce the cost of randomized controlled trials (RCTs) while increasing the proportion of trial patients given ...
Yi Yanyao, Zhang Ying, Du Yu, Ye Ting
doaj +1 more source
Towards Prediction of HCV Therapy Efficiency
We investigate a correlation between genetic diversity of hepatitis C virus population and the level of viral RNA accumulation in patient blood. Genetic diversity is defined as the mean Hamming distance between all pairs of virus RNA sequences representing the population. We have found that a low Hamming distance (i.e. low genetic diversity) correlates
Szymon Wasik +6 more
wiley +1 more source
Inferences for Joint Modelling of Repeated Ordinal Scores and Time to Event Data
In clinical trials and other follow‐up studies, it is natural that a response variable is repeatedly measured during follow‐up and the occurrence of some key event is also monitored. There has been a considerable study on the joint modelling these measures together with information on covariates.
Arindom Chakraborty, Kalyan Das
wiley +1 more source
In this paper, we study a deterministic method for particle transport in biological tissues. The method is specifically developed for dose calculations in cancer therapy and for radiological imaging. Generalized Fokker–Planck (GFP) theory [Leakeas and Larsen, Nucl. Sci. Eng. 137 (2001), pp.
Edgar Olbrant, Martin Frank
wiley +1 more source
A statistical study of COVID-19 pandemic in Egypt
The spread of the COVID-19 started in Wuhan on December 31, 2019, and a powerful outbreak of the disease occurred there. According to the latest data, more than 165 million cases of COVID-19 infection have been detected in the world (last update May 19 ...
Radwan Taha
doaj +1 more source
Correlation between Animal and Mathematical Models for Prostate Cancer Progression
This work demonstrates that prostate tumour progression in vivo can be analysed by using solutions of a mathematical model supplemented by initial conditions chosen according to growth rates of cell lines in vitro. The mathematical model is investigated and solved numerically.
Z. Jackiewicz +3 more
wiley +1 more source

