| http://www.w3.org/ns/prov#value | - However, multiple outcome measures including health status were evaluated in this randomised trial.Based on a previous study [18], it was calculated that 128 patients were needed in each group to detect a difference of 5 points (assuming a standard deviation of 20) in the gastrointestinal quality-of-life index (GIQLI) questionnaire with a type I error of 0.05 and a power of 0.8.RandomisationAs ran
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