Table 4 Test–retest reliability of intra-epidermal electrically evoked potentials in Experiment 2.

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

1.5 × EDT

N-latency

0.00

0.783

2.25 (148.46)

0.632

NP-amplitude

0.48

0.046

− 0.01 (14.46)

0.641

Pain rating

0.53

0.022

0.26 (1.23)

0.040

2 × EDT

N-latency

0.19

0.321

− 2.8 (93.85)

0.633

NP-amplitude

0.23

0.246

0.3 (15.92)

0.477

Pain rating

0.63

0.004

0.23 (1.57)

0.155

4 × EDT

N-latency

0.70

0.001

− 0.63 (51.7)

0.781

NP-amplitude

0.46

0.054

0.23 (20.93)

0.626

Pain rating

0.67

0.002

0.13 (2.35)

0.431

0.5 mA

N-latency

0.75

 < 0.001

− 2.54 (53.92)

0.931

NP-amplitude

0.69

0.001

1.97 (16.3)

0.318

Pain rating

0.83

 < 0.001

0.36 (1.71)

0.081

  1. 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.
  2. EDT electrical detection threshold, ICC intraclass correlation coefficient, SD standard deviation.
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