Table 3 Test–retest reliability of multi-modal pain-related evoked potentials in Experiment 1.

From: Test–retest reliability of intra-epidermal electrically evoked potentials in comparison with other modalities and across stimulation intensities

Stimulation

Parameter

ICC

ICC

p-Value

Bland–Altman coefficients

Mean (1.96*SD)

Wilcoxon

p-Value

CHEPs

N-latency

0.92

 < 0.001

1.2 (30.29)

0.656

NP-amplitude

0.89

 < 0.001

0.82 (16.91)

0.671

Pain rating

0.75

0.006

0.84 (2.41)

0.001

PEPs

N-latency

0.85

 < 0.001

− 0.59 (42.48)

0.532

NP-amplitude

0.81

 < 0.001

− 1.09 (15.6)

0.582

Pain rating

0.84

 < 0.001

0.44 (1.46)

0.009

IEEPs

N-latency

0.18

0.335

− 3.52 (85.39)

0.919

NP-amplitude

0.81

 < 0.001

0.56 (16.77)

0.745

Pain rating

0.41

0.088

0.31 (2.21)

0.150

  1. IES was applied at 2 × electrical detection threshold (EDT). The intraclass correlation coefficient (ICC) values are classified as follows: “poor” (< 0.40), “fair” (0.41–0.59), “good” (0.60–0.74), and “excellent” (0.75–1.00)37.
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