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It was possible to unambiguously determine samples that contained cellulose acetate, polycarbonate, polyurethane foam or cellulose nitrate; regardless of the age of the sample, its formulation or the presence of additives.
Small trials are useful for generating pilot data to determine samples sizes for larger trials, but can produce unreliable or biased results if they are considered in their own right.
Samples with sufficient volumes were tested for the presence of IgG to determine samples that were IgM positive only.
T-tests were performed on raw values to determine samples that showed a significant difference with a P-value < 0.05.
The validation results confirm that the molecular profile can accurately determine samples with a sufficient tumour percentage for microarray diagnostics based on transcriptional analysis of 13 identified genes.
Available resources for this pragmatic evaluation (e.g., staffing, equipment, available time), dictated that 420 was the maximum number of participants that could be recruited to test the feasibility of the intervention, thus statistical methods were not used to determine samples sizes [ 19].
Similar(53)
G*Power (Faul, Erdfelder, Buchner, & Lang, 2009) was used to determine sample size.
In order to determine sample size, we used the primary outcome of the CCQ score.
In Section 5, the algorithm to determine sample standards is described.
Then a pilot study should be undertaken to determine sampling variation (Figure 1). Figure 1 Schooling student in determining the vagaries of sampling.
A power analysis was completed to determine sample size.
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