2.7. Sample size

LH Liely Hamidnia
MN Mohsen Nematy
RS Roshanak Salari
AT Ali Taghipour
MM Malihe Motavasselian
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Considering the lack of a similar study, merely on the basis of the experts’ opinions, the impact of the classical method on overweightness was considered 40% and for the Persian method of medicine, was considered to be 50%, the sample size was calculated using the formula for comparing ratios in two independent groups with 95% confidence and 80% power. The minimum sample size was considered 75 in each group. Six participants dropped out from intervention for personal or unascertained reasons and 69 of the women were analyzed.

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