Comparison of Acupuncture Effect on Blood Perfusion between Needling Nonacupoint on Meridian and Needling Nonacupoint off Meridian

Table 1

Ratio change rate of blood perfusion on difference areas during various periods of acupuncture (Mean ± SD, 𝑛=20).

	Area 1	Area 2	Area 3	Area 4	Area 5	Area 6
On meridian
Time 2	5.12±11.48	7.0±12.56	2.50±8.69	2.56±6.07	48.5±37.09^∗∗	4.98±7.24^∗
Time 3	6.26±11.33	4.5±14.02	4.01±9.80^∗	2.89±9.76	37.1±25.84^∗∗	4.78±7.74
Time 4	3.71±9.69	2.6±12.95	2.02±6.08	0.55±7.24	31.0±22.44	2.58±6.29
Time 5	2.55±10.65	1.0±11.86	0.26±7.63	0.46±7.26	24.4±20.06^∗	1.10±7.41
Time 6	1.74±10.14	3.5±12.46	2.7±8.57	1.82±7.06	24.3±16.63	2.97±6.84
Time 7	1.93±11.22	2.1±14.46	2.0±7.62^∗	2.00±8.32	32.0±26.96	3.52±7.77
Time 8	4.03±13.67	4.1±12.86	2.2±10.41	2.68±9.30	34.5±30.77^∗	4.22±8.75
Time 9	1.75±9.38	3.1±11.91	1.7±7.67^∗∗	2.34±6.63^∗	27.2±25.12^∗	3.02±6.16^∗
Off meridian
Time 2	1.11±9.89	3.89±10.13	−1.90±5.45	−1.0±7.70	20.5±15.10	−0.10±6.08
Time 3	−0.32±9.50	2.89±11.40	−1.70±5.09	−0.8±8.00	20.2±13.13	−0.11±5.50
Time 4	1.96±10.96	1.52±7.66	−0.31±7.90	0.47±6.23	20.4±12.56	0.77±5.72
Time 5	−2.09±9.65	1.74±9.63	−2.88±4.48	−1.2±7.50	14.9±8.21	−0.74±5.27
Time 6	1.12±9.69	5.68±12.57	0.27±5.69	0.91±8.87	17.3±11.45	2.29±5.56
Time 7	−2.53±12.25	2.96±9.57	−3.31±8.74	0.37±7.80	18.7±15.58	−0.75±6.43
Time 8	−0.01±10.27	2.54±9.09	−2.20±4.60	−0.1±8.04	16.9±14.14	0.09±5.46
Time 9	−3.75±9.78	−0.3±9.68	−4.67±7.50	−1.8±7.04	11.6±12.05	−1.70±5.05

^∗𝑃<0.05, ^∗∗𝑃<0.01 as compared between on meridian group and off meridian group at same time period on the same area.