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Table 3 Patient demographics and characteristics in patients with persistent and recovered-acute post-traumatic headache three months after injury

From: Post-traumatic headache after mild traumatic brain injury in a one-year follow up study – risk factors and return to work

Variable

pPTH

 

r-aPTH

 

pPTH vs.

r-aPTH

 

Valid n

 

Valid n

 

P value

Female sex, n (%)

17

8 (47.1)

43

21 (48.8)

0.901

Age in years, mean (SD)

17

44.3 (12.8)

43

42.2 (14.6)

0.604

Education in years, mean (SD)

17

16.4 (3.9)

43

15.9 (4.9)

0.722

Previous migraine, n (%)

17

3 (17.6)

43

11 (25.6)

0.737

Previous other headache, n (%)

17

8 (47.1)

43

17 (39.5)

0.594

Previous depression, n (%)

17

2 (11.8)

37

4 (10.8)

1.000

Previous insomnia, n (%)

17

7 (41.2)

43

15 (34.9)

0.649

Previous use of analgesic drug, n (%)

17

3 (17.6)

43

8 (18.6)

1.000

Traumatic lesion in MRI, n (%)

17

10 (58.8)

43

14 (32.6)

0.061

Wounding skull/face, n (%)

17

15 (88.2)

42

36 (85.7)

1.000

PTA at ED, n (%)

17

13 (76.5)

43

38 (88.4)

0.256

TLOC, n(%)

17

10 (58.8)

43

31 (72.1)

0.319

Headache at ED, n (%)

17

17 (100)

43

41 (95.3)

1.000

RPQ median at three months (IQR)

17

21 (12.00-26.50)

43

2 (0.00-7.00)

<0.001

Other pain after injury, n(%)

17

9 (56.3)

43

29 (67.4)

0.425

Insomnia after injury, n (%)

17

13 (76.5)

43

22 (51.2)

0.073

Vertigo after injury, n (%)

17

8 (47.1)

43

25 (58.1)

0.437

  1. Continuous variables: one-way ANOVA; dichotomous variables: Pearson Chi–square test
  2. pPTH persistent post-traumatic headache; aPTH acute post-traumatic headache; PTA post-traumatic amnesia (retro- and/or anterograde); ED emergency department; TLOC transient loss of consciousness; RPQ The Rivermead Post Concussion Symptoms Questionnaire score; IQR Interquartile range