Table 1: Ratio change rate of blood perfusion on difference areas during various periods of acupuncture (Mean ± SD, ).

Area 1Area 2Area 3Area 4Area 5Area 6

On meridian
 Time 2
 Time 3
 Time 4
 Time 5
 Time 6
 Time 7
 Time 8
 Time 9
Off meridian
 Time 2
 Time 3
 Time 4
 Time 5
 Time 6
 Time 7
 Time 8
 Time 9

, as compared between on meridian group and off meridian group at same time period on the same area.