“…Of the 9 interventions 5 were done in the United States 11,12,14,16,19 and 4 in India. 13,15,17,18 Of the 9 interventions, 2 used randomized controlled designs, 15,18 1 used quasi-experimental design, 14 5 used pretest-posttest designs, 11,12,16,17,19 and 1 was an observational study between complementary and alternative medicine users and non-complementary and alternative medicine users for arthritis. 13 The mean sample size calculated for all 17 studies in this review was 56.44 with a standard deviation of 72.33 and range of 5 to 235.…”