Therapeutic Effect of Superficial Acupuncture in Treating Myofascial Pain of the Upper Trapezius Muscle: A Randomized Controlled Trial

Table 2

Characteristics of study subjects.

Groups	Number	Sex M/F	Age mean ± SD
SA	19	5/14	33.37 ± 9.17
TA	20	9/11	35.35 ± 10.76
Total	39	14/25

SA, superficial acupuncture; TA, traditional acupuncture.