Tympanic temperature before electroacupuncture, preanesthesia and after spinal anesthesia within 60 min. Group P = placebo group, Group A = electroacupuncture group. Data are shown as mean (standard deviation). *P < 0.05 compared with baseline within groups; †P < 0.05 compared between groups; ‡P < 0.001 compared between groups.
Yeh et al. BMC Complementary and Alternative Medicine 2012 12:233 doi:10.1186/1472-6882-12-233