Table 4.

Correlations of mean pressure pain threshold scores in m. temporalis in patients with persistent post-traumatic headache

Variable	Left side		Right side
	Correlation coefficient	P value	Correlation coefficient	P value
Age	0.04	.69	0.03	.78
Monthly Headache Days	-0.08	.42	-0.10	.33
ASC-12 Scores	-0.12	.22	-0.16	.10
Global PSQ-I Scores	-0.02	.88	-0.05	.59
HADS Anxiety Scores	-0.10	.31	-0.09	.39
HADS Depression Scores	-0.06	.58	-0.06	.58

ASC-12 12-item Allodynia Symptom Checklist, PSQ-I Pittsburg Sleep Quality Index, HADS Hospital Anxiety and Depression Scale