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Taking the worst-case hypothesis (i.e. high survival in the control arm = 25%) and in order to obtain 80% power with a two-side alpha level of 5%, with a follow-up period of 2 years, 138 patients are required per arm.
Sensitivity analyses tested the robustness of the results under best- and worst-case hypotheses of distribution of the missing values.
Finally, since data were anonymous traditional paired t-tests were not possible, we still identified significant and educationally meaningful differences between pre and post assessments using the most conservative and unfavorable pairings (i.e. worst case scenario) with respect to our hypothesis.
This disruption can therefore not only impair short-term demands for energy, but also the long-term requirements for development (see hypothesis H2, section 3.4.3), that in the worst case can lead to apoptosis of the oligodendrocyte [ 118].
Recruiting difficulties can lead to: responder bias, an insufficient sample size to adequately power statistical analyses for hypothesis testing, costly delays in achieving the research objectives, and as a worst case, early cessation of the research project.
Worst case?
That's the worst case".
"The worst case?" Mr. Bloomberg said.
Worst case is the military is involved.
They are preparing for the worst case.
WORST CASE They believe the hype.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com