Table 1 Subject demographics and clinical characteristics by group

Age, mean (SD)

38.2 (10.7)

41.3(11.5)

38.3 (9.5)

0.329

0.997

0.433

Sex (female/male)

20/37

23/16

17/22

0.024*

0.522

0.257

Headache intensity, mean (SD)

6.0 (1.7)

6.0 (1.5)

N/A

0.981

N/A

N/A

Headache duration, hours, mean (SD)

26.3 (26.4)

27.6 (22.6)

N/A

0.805

N/A

N/A

Headache frequency, days/month, mean (SD)

16.0 (8.3)

20.5 (6.3)

N/A

0.005*

N/A

N/A

Years with headache, mean (SD)

11.0 (8.8)

24.9 (14.6)

N/A

<  0.001*

N/A

N/A

MIDAS, mean (SD)

64.2 (57.4)

52.2 (37.6)

N/A

0.256

N/A

N/A

ISI, mean (SD)

16.7 (6.6)

11.3 (6.4)

4.1 (4.8)

<  0.001*

<  0.001*

<  0.001*

HQ, mean (SD)

22.7 (10.6)

14.5 (9.1)

5.7 (4.8)

<  0.001*

<  0.001*

<  0.001*

Allodynia, n (%)

38 (66.7%)

26 (66.7%)

N/A

1.00

N/A

N/A

PAQ, mean (SD)

4.6 (2.6)

3.8 (2.5)

1.1 (1.5)

0.270

<  0.001*

<  0.001*

BDI, mean (SD)

17.8 (9.4)

8.7 (6.0)

2.1 (3.6)

<  0.001*

<  0.001*

< 0.001*

State, mean (SD)

38.8 (13.2)

33.4 (9.1)

23.6 (5.7)

0.038*

< 0.001*

< 0.001*

Trait, mean (SD)

44.6 (14.1)

39.4 (10.9)

26.5 (6.9)

0.079

< 0.001*

< 0.001*

PTSD, n (%)

39 (68.4%)

2 (5.1%)

2 (5.1%)

< 0.001*

< 0.001*

1.00