Parameters TTH Migraine Controls  P value
Left side
latency p13 (ms) 12.78 ± 1.37 13.57 ± 2.37 12.84 ± 1.81 NS
latency n23 (ms) 20.82 ± 2.01 21.98 ± 3.01 21.32 ± 2.06 NS
p13 rectified amp (μV) 42.43 ± 19.10 38.61 ± 24.95 39.41 ± 21.81 NS
n23 rectified amp (μV) 53.22 ± 13.90 58.52 ± 37.73 50.95 ± 34.25 NS
Right side
latency p13 (ms) 12.89 ± 2.45 13.68 ± 2.16 13.01 ± 2.00 NS
latency n23 (ms) 21.06 ± 2.17 22.09 ± 3.10 21.56 ± 2.29 NS
p13 rectified amp (μV) 38.97 ± 21.05 34.49 ± 23.40 41.79 ± 25.55 NS
n23 rectified amp (μV) 49.98 ± 15.70 46.38 ± 28.37 57.79 ± 39.72 NS