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The changes of score in DEMQOL across time. Comparison among R-acupuncture group, NR-acupuncture group, and control group (a) and between pooled-acupuncture group and the control group (b). R-acupuncture = randomized acupuncture group, Control = control group, NR-acupuncture = nonrandomized acupuncture group, and P-acupuncture = pooled-acupuncture group. T1 = at baseline, T2 = after 6-week treatment, and T3 = after 4-week follow-up.
