Table 3 Locations of non-acupoints in sham-electroacupuncture group

Beside Feishu

1 cun^a beside Feishu (≈ 20 mm)

Beside Pishu

1 cun beside Pishu (≈ 20 mm)

Beside Shenshu

1 cun beside Shenshu (≈ 20 mm)

Beside Hegu

1 cun before Hegu (≈ 20 mm)

Beside Zusanli

1 cun backward Zusanli (≈ 20 mm)

Beside Sanyinjiao

1 cun backward Sanyinjiao (≈ 20 mm)

Beside Taichong

1 cun backward Taichong (≈ 20 mm)