Table 1.

Headache classification of subjects

	Patients	Control Group	P value*
Headache	17 (56.7%)	7 (35%)	0.133
Migraine	3 (10%)	3 (15%)	0.672
Tension like headache	3 (10%)	4 (20%)	0.277
Non-structural	11 (36.7%)	-	0.002

^*Chi-square test is used.