Research Article

Dynamic Pain-Related Changes in Pulse-Graph Measurements in Patients with Primary Dysmenorrhea before and after Electroacupuncture Intervention and Its Correlation with TCM Pattern

Figure 3

VAS score changes at four time points in 91 participants with PD. Note. T0 means 7–10 days before menstruation, T1 refers to the time with maximal pain during menstruation, T2 refers to the time immediately after EA, and T3 means 30 mins after EA. , compared with T0; , compared with T1.