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. Author manuscript; available in PMC: 2019 May 27.
Published in final edited form as: Brain Stimul. 2018 Apr 6;11(4):699–708. doi: 10.1016/j.brs.2018.04.004

Table 3.

Trial 1 mean change in HR during stimulation.

Parameter Mean Change in HR from Baseline ± SEM
(Average over 60s Stimulation Period)
Partial Eta Sq. Condition Effect? (p value)
Tragus
(Active)
Earlobe
(Control)
100μs 1Hz −0.744 ± .781 −2.40 ± .781 0.007 N
10 Hz −1.17±.0.461 −0.891 ±0.461 0.001 N
25 Hz 0.24±0.362 0.524±0.362 0.001 N
200μs 1 Hz 0.07 ± 0.631 −2.01 ±0.631 0.016 Y (0.018)
10 Hz −1.54±0.353 −2.86±0.353 0.021 Y (0.005)
25 Hz −3.57±0.436 −1.81 ±0.436 0.024 Y (0.006)
500μs 1Hz −2.17±0.337 −0.857±0.337 0.022 Y (0.006)
10 Hz −0.93±0.335 0.290±0.335 0.019 Y (0.01)
25 Hz −3.13±0.545 0.799±0.545 0.072 Y (<0.001)