Table 2 Parameters of autonomic regulation in patients with migraine and in control group
Tests concerning the cardiac control | Episodic migraine | Chronic migraine | Control group | p | |
|---|---|---|---|---|---|
n = 51 | n = 22 | n = 71 | |||
|  | Arterial baroreflex, ms/mmHg | 11.5 ± 6.8 | 14.4 ± 10.0 | 13.1 ± 8.1 | p > 0.017 |
Valsalva index, arbitrary units | 2.2 ± 0.4 | 2.1 ± 0.4 | 2.1 ± 0.5 | p > 0.017 | |
Expiration/inspiration ratio in deep breathing test | 1.36 ± 0.15 | 1.36 ± 0.19 | 1.35 ± 0.20 | p > 0.017 | |