Research Study Design, Randomization Type

2138 WordsJun 9, 20169 Pages
Results A total of 23 studies met the inclusion criteria for the review. Table 1 provides the summary of data extracted from the reviewed studies. The items in the table included information on the following characteristics: General Information: Author’s name, country of research, year of publication. Study characteristics: Study design, randomization type, study sample, number of arms in study and participants per arm/group. Study participants: Mean age and standard deviation (sd) of the study participants, mean age and sd of participants per group. Interventions: Yoga type used for the study, the intervention dosage that included how many hours or minutes per day the yoga was performed and how long was the intervention. Outcome…show more content…
Only one out of the nine studies included solely type II and III breast cancer patients of which 55% of the participants were suffering from type III breast cancer. In remaining eight studies, four studies recruited type II breast cancer patients and the rest of the four studies had type I breast cancer patients. The age of the participants from different studies varied from 18 years to 79 years. Only six out of 23 studies reported the racial composition of their study participants. The maximum portion of the participants in the studies was Caucasians which constituted between 68%-95% of the total participants followed by African Americans (5%-9%) and least represented population was of Asians (3%-5%). Yoga intervention Different types and styles of yoga have been used in different study protocols. Most of the yoga practiced by the study participants was with the help of a yoga instructor. A few study protocols included yoga being practiced at home every day where the participants were given a DVD of yoga. Most of the common types of yoga practiced by the participants according to their respective protocols included asana, pranayama, and dhyana. The common types of yoga practiced in the 23 different studies were hatha yoga, Iyengar yoga, and restorative yoga. The duration and frequency of yoga practiced by the participants also highly varied according to the study protocol. The duration of the yoga varied from 4-24

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