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Table 4 shows the mean, standard deviation, 95 % confidence interval, as well as their respective p-values (ANOVA based on mixed effects model) of the a- and b-wave amplitudes, as well as the corresponding implicit times of the photopic red ERGs for both electrode types

From: Comparing DTL microfiber and Neuroline skin electrode in the Mini Ganzfeld ERG

ERG Recordings Electrodes Mean ± SD 95 % confidence interval P-values between eyes P-values between elctrodes
A-wave amplitudes
0.3 cd.s/m2 DTL
Neuroline
−11.46 ± 12.56
-3.89 ± 2.72
−14.96,−8.15
−7.31,−0.50
0.787 0.002*
0.5 cd.s/m2 DTL
Neuroline
−14.44 ± 17.73
−4.49 ± 1.84
−18.56,−9.37
−8.99, 0.08
0.185 0.005*
0.9 cd.s/m2 DTL
Neuroline
−20.89 ± 18.35
−5.48 ± 2.46
−25.16,−15.56
−10.28,−0.68
0.250 <0.001*
3.0 cd.s/m2 DTL
Neuroline
−36.30 ± 17.36
−10.43 ± 4.41
−40.53,−31.14
−15.29,−5.77
0.082 <0.001*
B-wave amplitudes
0.3 cd.s/m2 DTL
Neuroline
35.41 ± 15.40
10.99 ± 3.92
31.41, 39.80
6.88, 15.28
0.784 <0.001*
0.5 cd.s/m2 DTL
Neuroline
57.06 ± 23.26
14.94 ± 3.36
50.64, 63.17
8.81, 21.17
0.668 <0.001*
0.9 cd.s/m2 DTL
Neuroline
83.93 ± 31.70
19.46 ± 4.83
75.31, 92.33
11.03, 28.05
0.818 <0.001*
3.0 cd.s/m2 DTL
Neuroline
100.75 ± 29.05
28.16 ± 7.47
94.02, 109.42
20.55, 36.18
0.241 <0.001*
A-wave implicit times
0.3 cd.s/m2 DTL
Neuroline
17.22 ± 1.79
14.46 ± 3.51
16.17, 18.23
13.52, 15.58
0.231 0.001*
0.5 cd.s/m2 DTL
Neuroline
16.62 ± 1.51
15.34 ± 2.19
15.86, 17.28
14.67, 16.06
0.210 0.018*
0.9 cd.s/m2 DTL
Neuroline
15.97 ± 1.21
14.27 ± 3.98
14.82, 17.02
13.14, 15.34
0.816 0.034*
3.0 cd.s/m2 DTL
Neuroline
15.02 ± 0.84
13.56 ± 3.45
14.07, 15.94
12.66, 14.55
0.241 0.039*
B-wave implicit times
0.3 cd.s/m2 DTL
Neuroline
27.92 ± 1.85
26.72 ± 2.66
27.14, 28.84
25.84, 27.54
0.245 0.034*
0.5 cd.s/m2 DTL
Neuroline
28.76 ± 1.21
27.80 ± 1.61
28.21, 29.29
27.28, 28.34
0.657 0.016*
0.9 cd.s/m2 DTL
Neuroline
29.50 ± 1.54
28.00 ± 2.41
28.76, 30.26
27.20, 28.70
0.410 0.005*
3.0 cd.s/m2 DTL
Neuroline
32.22 ± 1.27
30.87 ± 1.93
31.62, 32.83
30.25, 31.48
0.828 0.003*
  1. Statistically significant p-values (<0.05) are labeled with asteriks