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Table 1 Comparisons of demographics, headache profiles, and psychological characteristics between study groups

From: Resting-state EEG power and coherence vary between migraine phases

Characteristic

Migraine patients

(N = 50)

HCs

(N = 20)

P

Migraine phase groups

P

Inter-ictal

(N = 22)

Pre-ictal

(N = 12)

Ictal

(N = 8)

Post-ictal

(N = 8)

Sex, F:M

35:15

11:9

0.24

16:6

6:6

7:1

6:2

0.49

Age, y

36.0 ± 9.9

36.9 ± 6.7

0.63

33.0 ± 9.0

39.0 ± 7.5

40.0 ± 11.5

38.0 ± 12.4

0.27

Migraine headache profile

Disease duration, y

16.0 ± 9.3

N/A

N/A

15.0 ± 8.1

16.0 ± 7.8

20.0 ± 9.6

16.0 ± 13.8

0.72

Frequency, d/month.

3.8 ± 1.3

N/A

N/A

3.8 ± 1.4

3.8 ± 1.3

3.6 ± 1.3

3.9 ± 1.0

0.81

Pain severitya

7.0 ± 1.9

N/A

N/A

8.0 ± 2.1

7.0 ± 1.8

8.0 ± 1.9

6.0 ± 1.7

0.42

MIDAS scoreb

16.3 ± 13.4

N/A

N/A

19.1 ± 16.6

17.8 ± 10.7

11.0 ± 11.8

15.7 ± 13.5

0.59

Psychometric scores

BDI

8.7 ± 5.7

N/A

N/A

9.4 ± 6.1

7.7 ± 5.6

9.9 ± 5.3

7.9 ± 5.8

0.68

HADS-A

6.7 ± 3.7

N/A

N/A

7.6 ± 3.2

5.5 ± 3.4

6.6 ± 3.0

7.8 ± 5.7

0.41

HADS-D

4.6 ± 3.3

N/A

N/A

4.8 ± 3.4

3.6 ± 2.2

5.0 ± 2.8

4.2 ± 3.3

0.46

  1. Abbreviations: BDI Beck Depression Inventory, F:M ratio of females to males, HADS-A Hospital Anxiety Depression Scale, Anxiety, HADS-D Hospital Anxiety Depression Scale, Depression, HC healthy controls, MIDAS Migraine Disability Assessment Scale. Of note, group differences in clinical profiles were analyzed by Student’s t-test (migraine patients vs. HCs) or one-way ANOVA (four phases of migraine patients) for continuous variables and chi-square or Fisher’s exact tests for categorical variables
  2. a0–10 scale. b0–270 range