Table 2.

ACh-induced relaxations in the aorta and carotid arteries of the rats in the acupuncture and control groups

	pD2	Emax (%)
ACh relaxation of aortas
WKY control	7.63 ± 0.22	81.3 ± 7.9
SHR control	7.27 ± 0.61	38.5 ± 9.5
Sham-acupuncture	7.36 ± 0.37	42.5 ± 9.1
Acupuncture	7.55 ± 0.83	54.3 ± 10.1*,#
ACh relaxation of carotid arteries
WKY control	7.54 ± 0.29	76.7 ± 5.2
SHR control	7.04 ± 0.68	31.8 ± 7.3
Sham-acupuncture	7.00 ± 0.44	35.2 ± 4.3
Acupuncture	7.16 ± 0.54	48.9 ± 9.6*

Data were expressed as means ± SD. (*^,# refer to Fig. 2)