Exact(15)
California and Texas, for example, are considering notification systems that inform power companies when a citizen buys an electric car in their service area.
No prior investigation in obese pregnant women was available to inform power at the planning stage.
Data from the Scottish trial was used to inform power calculations.
These pilot data could then inform power calculations for the RCT.
The primary aim of conducting feasibility trials is to provide data to inform power calculations for a future larger scale trial.
We will also calculate the effect sizes of key outcomes including condom use over the past 3 months, to inform power calculations for a future phase III RCT.
Similar(44)
Even so, it is the NATO attack on Belgrade--including civilian targets, which Amnesty International has recently, belatedly, deemed a war crime--that informs Power's belief that the U.S. military possesses nearly unlimited capability to save civilians by means of aerial bombardment, and all we need is the courage to launch the sorties.
These results can either stand on their own or be used to inform efficient prospective trial designs by informing power calculations.
For unique cases with improved power to detect subgroup effects, after formally estimating subgroup effect power before the trial and considering the prior probability, table 2 can inform whether power is adequate to consider such an analysis as a hypothesis testing analysis versus a hypothesis generating analysis.
This will provide a satisfactory number of participants for estimating the variation within the sample (ie, the SD of the outcome measures), in order to inform the power calculation for a future phase III trial, which would be powered to detect clinically relevant changes in prostate-related health and cost-effectiveness.
The aim of the study was to test recruitment, retention, acceptability and ability to gather data, as well as inform the power calculation for the future substantive RCT.
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