Relationship between Interferon Beta-1A Administration and Intracranial Vascular Tone Regulation in Patients with Relapsing-Remitting Multiple Sclerosis: A Pilot Study

Table 1

Demographic and clinical characteristics of multiple sclerosis (MS) sample, frequencies (%).

	All subjects	Headache	No-headache
MS patients	20; (9 males, 11 females)	8; (3 males, 5 females)	12; (6 males, 6 females)
Age (years)	31.35 ± 5.56	31.62 ± 5.80	31.17 ± 5.64
Diseases duration (months)	61.3 ± 62.39	58.75 ± 63.61	63.0 ± 64.34
Therapy duration (months)	56.5 ± 59.01	55.25 ± 61.64	57.33 ± 59.96
Flu-like syndrome
Yes	6 (30)	3 (37.5)	3 (25)
No	14 (70)	5 (62.5)	9 (75)