Table 2. Comparison of Hematological Parameters between Migraineurs and Tension-type headache Patients. ^aUnpaired T-test; bMann-Whitney test; significant p <0.05; SD, standard deviationTTH, tension-type headache; gr/dl, Gram per deciliters; µl, Microliters.

Parameter	Migraine, Mean (SD)	TTH, Mean (SD)	p
Hemoglobin (gr/dl)	13.2 (1.2)	13.6 (1.4)	0.243^a
Hematocrit (%)	39.3 (3.1)	40.8 (3.8)	0.169^a
Leukocyte (10³/µl)	8.2 (2.3)	7.3 (1.7)	0.102^b
Platelets (10³ /µl)	355.3 (4.4)	282.0 (44.2)	0.001^a

Table 2. Comparison of Hematological Parameters between Migraineurs and Tension-type headache Patients. aUnpaired T-test; bMann-Whitney test; significant p <0.05; SD, standard deviationTTH, tension-type headache; gr/dl, Gram per deciliters; µl, Microliters.