Table 3 CHEPS sham and capsaicin comparison.

From: An intensity matched comparison of laser- and contact heat evoked potentials

CHEPs

Sham (mean ± sd)

Capsaicin (mean ± sd)

t score

df

p-value

N1 latency

336 ± 33 ms

346 ± 30.7 ms

− 0.29

10

0.778

N1 amplitude

− 3.6 ± 2.5 µV

− 3.3 ± 2.8 µV

− 0.39

17

0.703

N2 latency

392 ± 37 ms

387 ± 32 ms

0.81

17

0.431

N2 amplitude

− 10.6 ± 6.3 µV

− 10.2 ± 4.6 µV

− 0.37

17

0.719

P2 latency

494 ± 49 ms

493 ± 45 ms

0.11

17

0.914

P2 amplitude

13.0 ± 7.4 µV

14.8 ± 8.3 µV

− 1.34

17

0.197

N2P2 amplitude

23.6 ± 11.0 µV

25.1 ± 11.5 µV

− 0.97

17

0.347

  1. CHEPs: contact heat evoked potentials; df: degree of freedom; sd: standard deviation.