Exact(5)
LV indicates a sample of likely voters.
Further testing is required in cases where the rat indicates a sample is positive but hospital lab techs have said it was negative.
The Y axis indicates normalized expression values, whereas each bar along the X axis indicates a sample.
Based on the data in our systematic review, a sample size calculation using α = 0.05 and 1 – β = 0.80 indicates a sample size of 265 patients per arm, without dropout correction.
The vast majority of studies had small sample sizes (range 36 250), with only one with a reasonable sample size n=410 (sample size calculated on the CSR meta-analysis outlined below indicates a sample of >700 is required); quality of the studies is highly varied, with concerns mostly regarding allocation sequence generation and allocation concealment, which this proposed study addresses.
Similar(55)
Power analysis (power 0.8; α 0.05) indicated a sample size requirement of seven knees for valid comparisons.
At the time indicated, a sample was taken from the hot reaction mixture and diluted into 2 mL of n-hexane.
Power analysis (power 0.8; α 0.05; detectable difference 8.0; standard deviation 5.1) indicated a sample size requirement of 15 subjects for valid comparisons.
Power calculations indicated a sample size of 12 for each group was needed resulting in the subset of 54 (Moormann, manuscript in preparation).
A power larger than 0,9 at α = 0.05 indicated a sample of proper size.
Our power calculations indicate a sample size of 112 is required for both primary outcomes.
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Justyna Jupowicz-Kozak
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