Table 3 oVEMP results of headache patients and healthy controls

latency n1 (ms)

11.29 ± 0.78**

12.34 ± 1.43*,**

11.29 ± 0.73*

latency p1 (ms)

16.09 ± 0.83

17.05 ± 1.95*

16.11 ± 0.82*

n1-p1 interpeak latency (ms)

4.79 ± 0.87

4.75 ± 1.22

4.82 ± 0.92

n1-p1 amplitude

11.64 ± 6.73

8.00 ± 5.21+

11.66 ± 9.14

latency n1 (ms)

11.42 ± 0.86**

12.41 ± 1.41*,**

11.58 ± 0.90*

latency p1 (ms)

16.41 ± 0.89

16.99 ± 2.02

16.20 ± 1.04

n1-p1 interpeak latency (ms)

4.99 ± 1.02

4.58 ± 1.24

4.62 ± 1.00

n1-p1 amplitude

11.29 ± 6.77

7.51 ± 4.47+

11.76 ± 10.79

interaural latency diff., n1

0.64 ± 0.86

0.91 ± 0.97

0.74 ± 0.72

interaural latency diff., p1

0.64 ± 0.55

0.84 ± 0.95

0.78 ± 0.62

amp. asymmetry ratio, n1

0.23 ± 0.17

0.28 ± 0.17

0.23 ± 0.16

amp. asymmetry ratio, n1

0.22 ± 0.19

0.28 ± 0.21

0.24 ± 0.15