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Variation of vital parameters (Mean value ± standard deviation) during the low-frequency stimulation (2 Hz): T0: basal time; T1:10 min after stimulation; and T2: end of the stimulation.
| 2 Hz Ear-Electroacupuncture | T0 | T1 | T2 |
|---|---|---|---|
| Systolic blood pressure (mm Hg) | 112.38 ± 1.17 | 104.23 ± 1.28 | 108.28 ± 1.18 |
| Diastolic blood pressure (mm Hg) | 66.67 ± 0.98 | 65.28 ± 0.95 | 66.18 ± 0.90 |
| Heart rate (beats/min) | 66.56 ± 1.28 | 60.44 ± 0.64 | 59.44 ± 0.64 |
