Suppose the effect of the new dressing on ulcer healing will be considered important if it increases
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Suppose the effect of the new dressing on ulcer healing will be considered important if it increases the number of ulcer‐free weeks, at one‐year post‐randomisation, by at least 10 weeks. The SES for the sample size calculation is:
A. 0.20 B. 0.30 C. 0.30 D. 0.40 E. 0.50
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Medical Statistics A Textbook For The Health Sciences
ISBN: 9781119423645
5th Edition
Authors: Stephen J. Walters, Michael J. Campbell, David Machin
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