Sentence examples for use of a stratified from inspiring English sources
Hazard ratios and 95% confidence intervals (CIs) were estimated by use of a stratified Cox regression analysis.
Participants were recruited by use of a stratified multistage cluster sampling design.
Also the use of a stratified block randomization method achieves to overcome practical difficulties that are common in these kinds of trials.
Therefore, if in doubt, we recommend the use of a stratified analysis using random effects to ensure correct type I error rates and power.
With a binary or time-to-event outcome and a small sample size, we recommend the use of a stratified analysis using random effects, as this has been shown to maintain nominal type I error rates while giving high power.
Because we made use of a stratified sample with equal numbers of participants in the two age groups, we weighted the descriptive analysis for age and sex in such a way that the results reflected the distribution of age and sex within the population of Dutch 57 to 77 year olds (based on data from Statistics Netherlands).
Allocation of FF infants to one of the two study formulas proceeded through the use of a gender-stratified randomization schedule.
This study's goal was to determine the prevalence and characteristics of drug use among a stratified random sample of homeless individuals in Toronto.
The fifteen examined schools, ten in the town and five in the province of Tirana, were chosen by the Statistical Department of Teaching Direction of Tirana, using a stratified selection technique, in order to represent the distribution of socio-economic conditions during the school year 2009 to 2010.
The thirteen schools examined, eight in the town and five in the surrounding areas of Tirana, were chosen by the Statistical Department of Teaching Direction of Tirana, using a stratified selection technique, in order to represent the right distribution of socio-economical conditions during the 2012-2013 school year.
Through a top-down screening methodology, an ideal polymer was selected on the basis of gene delivery efficacy and then used for the synthesis of a stratified molecular weight polymer library.
