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Table 3 The comparison of p-values for 6 participants in frequency domain features in (RPSD and ratios) under two psychological states (healthy controls and bruxsim) for C4P4 channel

From: Classification of bruxism based on time-frequency and nonlinear features of single channel EEG

SN

Features

Healthy controls (mean ± SD)(%)

Bruxsim

(mean ± SD)(%)

p-value

1

RPSD(δ)

65.26 ± 0.422

65.302 ± 0.597

0.677

2

RPSD(θ)

20.619 ± 0.158

17.480 ± 0.317

<=0.001**

3

RPSD(α)

8.424 ± 0.185

9.931 ± 0.348

<=0.001**

4

RPSD(β)

5.696 ± 0.140

7.287 ± 0.197

<=0.001**

5

(θ + α)/β

8.246 ± 0.289

4.721 ± 0.199

<=0.001**

6

α/δ

0.159 ± 0.005

0.169 ± 0.009

<=0.001**

7

α/θ

0.382 ± 0.008

0.633 ± 0.029

<=0.001**

8

α/β

1.601 ± 0.017

1.434 ± 0.032

<=0.001**

  1. The ‘*’ and ‘**’ represent alpha levels: p = 0.05, and p = 0.001 correspond to significant differences, respectively