Clinical efficacy of electromagnetic field therapy combined with traditional Chinese pain-reducing paste in myofascial pain syndrome

Figure 2 Changes in visual analog scale and present pain intensity index scores after treatment. A: Visual analog scale scores; B: Present pain intensity index scores. T0 = pretest, T1 = end of the first week after receiving treatment, T2 = end of the second week after receiving treatment, T3 = end of the first week after completing treatment, T4 = end of the fourth week after completing treatment. ^aP < 0.01, experimental group vs control group. CG: Control group; EG: Experimental group; VAS: Visual analog scale; PPI: Present pain intensity index.