Sentence examples for sample calculations indicate from inspiring English sources
However, post hoc sample calculations indicate that the study was underpowered to detect small associations between dietary changes and metabolic outcomes, having 15% power for women and 52% for men at an α of 0.05.
Under the assumption of similar proportions of abnormalities as that reported during a VCM exposure, 12 14 our sample calculation indicated that we would need 27 participants in each of the exposed and non-exposed groups to find a change in probability of 35% (ie, 40% in exposed vs 5% in non-exposed) for a power of 80% and a two-sided α of 5%.
However, our sample size calculations indicate that a sample size of 615 patients and a follow up period of 6.6 years provides relatively sufficient power to detect a major difference in patient or graft survival between the groups.
Sample size calculations indicate that a sample of 131 patients is sufficient to demonstrate an effect size of 0.30 at a significance level of 5% with a power of 80%.
Sample size calculations indicate that a sample of 86 patients is sufficient to detect a statistically clinically difference of ≥ 0.5 % HbA1c (sd = 1.1 %) at a significance level of 5 % with a power of 80%%, given three follow-up measurements using GEE analyses and taking into account the within-subject correlation (rho = 0.7).
Sample size calculations indicate a minimum of 43 hospitals are required to adequately power the study.
Sample size calculations indicate that a 20% difference in the proportion of participants reporting an increase in exercise prescription behaviour will be detected with a sample size of 220 (control group rate 50%, intervention group rate 70%, power=80 %, α=5 %, 15dropouts).
Sample size calculations indicated that a sample size of 500 tonsils is sufficient to reliably estimate S. suis carriage rates.
After sample size calculations indicated that 147 patients would be needed to detect a 25% difference between drug and control, 153 patients with MPS were recruited and randomized to receive either a diclofenac sodium patch or control (menthol) patch.
Pos-hoc sample size calculations indicated that we would have needed a study approximately ten times larger to achieve statistical significance.
Sample size calculations indicated that a minimum of 50 patients is required for this study.
