Sentence examples for trial sample size from inspiring English sources

Determining expected disease incidence was critical to calculating power and determining trial sample size.

This further increases the trial sample size as it reduces statistical power.

The trial sample size is 78 patients and the target population is newly diagnosed, inoperable stage III NSCLC treated with radical intent chemoradiation.

We investigated the influence of different inclusion criteria for preclinical and prodromal Alzheimer's disease (AD) on changes in biomarkers and cognitive markers and on trial sample size estimates.

Fixed effects (arm-level) meta-regression on the complete data set (171 arms, 10,580 pts) revealed that sustained response was most likely in experimental arms of IFN+ribavirin or other drugs (OR 2.4), arms using yearly schedule (OR 2.0), trial principal author from Asia (OR 1.7), trial sample size >200 (OR 1.4) and arms enrolling less than 50% of cirrhotics (OR 1.3).

For example, the trial sample size (e.g. the number of participants in a trial), treatment dose or frequency, or the duration of the trial may be increased or decreased depending on the accumulated evidence [9 11].

However, our ability to reproduce such situations came with a price: we were unable to assess the effect of the trial sample size on the power of an indirect comparison, due to its confounding with the other factors examined in our simulation study, such as heterogeneity.

The cluster trial sample size is, therefore, 440.

No trial had pre-trial sample size estimation.

Additionally, intention-to-treat analysis and pre-trial sample size estimate were not applied.

22 We did the pre-trial sample size calculation without accounting for clustering and based it on an annual/seasonal incidence of anterior cruciate ligament injury of 1.15% in female adolescent football players.