The Efficacy and Safety of Acupuncture in the Treatment of Neurodermatitis: A Systematic Review and Meta-Analysis

Figure 9

Results of required information size (RIS) with acupuncture treatment variant: (a) effective rate for experiment vs. control;(b) recurrence rate for experiment vs. control. The required information size was calculated based on a two-sided α = 5%, β = 15% (power 80%), and a relative risk reduction of 20%.

(a)

(b)