Sentence examples for raised the sample size from inspiring English sources

Although some methodological concerns can be raised (the sample size of both studies is small; Lacey et al [ 16] did not perform analysis on an intention to treat basis), these studies suggest that glutamine supplementation enhances feeding tolerance and decreases infectious morbidity in VLBW infants.

A sample of 77 cases was calculated by assuming an exposure rate of 40% among controls, a two tailed significance level of 5% and a power level of 90% at an OR of 2. The statistical formula used to determine the number of study participants in each group is as follows i : To account for potential refusals, we raised the sample size to 90 in the case group and 90 in the control group.

They'll make an effort to find extra people in that group, raising the sample size and allowing them to better measure what that slice of the population thinks.

will raise the sample size to 198 patients per group.

Nevertheless, in some cases raising the sample size will make sense, and may save the trial from unnecessary disaster.

In order to compensate for possible losses during the data collection, the decision was made to raise the sample size by 20%, totaling 245 adolescents.

The current article will assess that risk in the context of sample size adjustable (SSA) designs that allow choosing between raising the sample size, continuing as originally planned, or closing the trial due to futility.

At this interim analysis an adaptation may lead to closing the study due to futility, continuing the study without changes or raising the sample size by recruiting an extra r subjects, yielding a total of N =  N0 +  r subjects.

The main result states that for normally distributed observations raising the sample size when the result looks promising, where the definition of promising depends on the amount of knowledge gathered so far, guarantees the protection of the type I error rate.

The latter will specify the output and decision rules, but will leave open the possibility of including other information, such as external factors in the final decision whether to stop for futility or to continue, and if so, whether or not to raise the sample size.

The board heard that there were now concerns, not raised previously, that the sample size for one quarter's data was insufficiently large to be statistically robust.