Table 2: Summary of measured hemodynamic parameters.

Parameter/test condition Before
needle ins
During
needle stim
30 s after
needle stim
60 s after
needle stim
180 s after
needle stim

Systolic blood pressure (mm Hg)
 ST36
 LR3
 Non-acupoint
Diastolic blood pressure (mm Hg)
 ST36
 LR3
 Non-acupoint
Heart rate (beats/min)
 ST36
 LR3
 Non-acupoint
Cardiac index (L·min−1·m−2)
 ST36
 LR3
 Non-acupoint
Systemic vascular resistance index (dyne sec/cm5 m2)
 ST36
 LR3
 Non-acupoint
Blood flow volume in brachial artery (mL·min−1·m−2)
 ST36
 LR3
 Non-acupoint

The values represent the mean ± SD. Significant difference ( ) in the blood flow volume in the brachial artery between before needle insertion (ins) and during needle stimulation (stim) at ST36.