Browsing by Subject "Sample Size"
Now showing items 1-7 of 7
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Evaluation of genotype-specific survival using joint analysis of genetic and non-genetic subsamples of longitudinal data.
(Biogerontology, 2011-04)Small sample size of genetic data is often a limiting factor for desirable accuracy of estimated genetic effects on age-specific risks and survival. Longitudinal non-genetic data containing information on survival or disease ... -
Five-Factor Model personality profiles of drug users.
(BMC psychiatry, 2008-04-11)<h4>Background</h4>Personality traits are considered risk factors for drug use, and, in turn, the psychoactive substances impact individuals' traits. Furthermore, there is increasing interest in developing treatment approaches ... -
Homeopathic treatments in psychiatry: a systematic review of randomized placebo-controlled studies.
(J Clin Psychiatry, 2011-06)OBJECTIVE: To systematically review placebo-controlled randomized trials of homeopathy for psychiatric conditions. DATA SOURCES: Eligible studies were identified using the following databases from database inception to April ... -
Importance sampling for the infinite sites model.
(Statistical applications in genetics and molecular biology, 2008-01)Importance sampling or Markov Chain Monte Carlo sampling is required for state-of-the-art statistical analysis of population genetics data. The applicability of these sampling-based inference techniques depends crucially ... -
Power and sample size calculations for the Wilcoxon-Mann-Whitney test in the presence of death-censored observations.
(Stat Med, 2015-02-10)We consider a clinical trial of a potentially lethal disease in which patients are randomly assigned to two treatment groups and are followed for a fixed period of time; a continuous endpoint is measured at the end of follow-up. ... -
Reduced length of hospital stay in colorectal surgery after implementation of an enhanced recovery protocol.
(Anesth Analg, 2014-05)BACKGROUND: Enhanced recovery after surgery (ERAS) is a multimodal approach to perioperative care that combines a range of interventions to enable early mobilization and feeding after surgery. We investigated the feasibility, ... -
Sample size calculations for the design of cluster randomized trials: A summary of methodology.
(Contemporary clinical trials, 2015-05)Cluster randomized trial designs are growing in popularity in, for example, cardiovascular medicine research and other clinical areas and parallel statistical developments concerned with the design and analysis of these ...
