Table 2.

Summarized findings from RDC/TMD Questionnaire. The analysis was based on data divided into 4 groups to consider the functional and the psychosocial part of a patient's pain profile.

	Headache patients	Controls	P value
Characteristic pain intensity (CPI)*	55.9 ± 19.2	6.8 ± 16.3	<0.001
Graded chronic pain scale (GCP)**	2.1 ± 0.9	0.3 ± 0.5	<0.001
SCL-90 depression***	0.7 ± 0.6	0.3 ± 0.4	<0.001
SCL-90 somatisation***	0.9 ± 0.5	0.3 ± 0.4	<0.001