Research Article

The Preventive Value of Acupoint Sensitization for Patients with Stable Angina Pectoris: A Randomized, Double-Blind, Positive-Controlled, Multicentre Trial

Figure 4

Change of PPT between groups from baseline to week 4. HSG: high-sensitivity group; LSG: low-sensitivity group; PPT: pressure-pain threshold; and error bars indicate the standard error of the mean.