Table 1 Demographic and clinical variables of all participants

Age (years)

34.41 ± 9.75

34.91 ± 12.14

33.40 ± 7.43

0.123

0.885

Sex (male/female)

1/26

6/16

3/17

5.347

0.068

Education (years)

13.44 ± 3.24

11.23 ± 2.56

14.00 ± 3.29

5.019

0.009

Disease duration (years)

7.11 ± 5.51

7.50 ± 6.77

/

2.930

0.824

Frequency (days/month)

4.22 ± 2.19

4.45 ± 3.00

/

0.754

0.390

Attack duration (hours)

13.22 ± 9.00

16.14 ± 12.79

/

3.590

0.355

HIT-6 score

61.26 ± 10.21

57.05 ± 7.64

/

1.733

0.116

VAS score

6.48 ± 1.42

6.45 ± 1.30

/

0.283

0.946

GAD-7 score

9.15 ± 3.30

2.59 ± 1.44

/

16.309

< 0.001

 Gy matter (mm³)

621.77 ± 56.10

632.93 ± 55.92

634.71 ± 56.26

0.382

0.684

White matter (mm³)

484.84 ± 46.65

489.76 ± 44.96

487.40 ± 49.17

0.067

0.935

Cerebrospinal fluid (mm³)

208.77 ± 21.90

216.85 ± 17.50

218.56 ± 31.41

1.167

0.318

Brain parenchyma (mm³)

1106.61 ± 90.37

1122.69 ± 93.20

1122.11 ± 90.32

0.247

0.782