Table 1.

Details of study groups.

Group	Acupoints	Interventions
HAA group	Jueyinshu (BL14), Xinyu (BL15) Danzhong (CV17), and Neiguan (PC6)	Herbal medicine application, acupoint, and basic treatment
PAA group		Placebo application, acupoint, and basic treatment
HAN group	Nonacupoints in the same spinal segment as those in the acupoints of HAA group but 2 cm away from genuine acupoints and outside the Chinese meridian system	Herbal medicine application, nonacupoint, and basic treatment
PAN group		Placebo application, nonacupoint, and basic treatment