Table 1.

Demographic and clinical characteristics of MS patients and healthy control group

Parameters	Healthy controls	MS patients
Age (Mean ± SEM)	(30.44 ± 1.03) Range (20–50 years)	(33.01 ± 0.82) Range (20–47 years)
Sex	33 (44%) female 42 (56%) male	53 (72.6%) female 20 (27.4%) male
EDSS (Mean ± SEM)	–	(3.86 ± 0.22)
VEP	–	52 abnormal 21 normal
Oligoclonal band	–	20 positive 14 negative 39 not found
Total no. of attacks (Mean ± SEM)	–	(4.87 ± 0.33)
Duration of disease (Mean ± SEM)		(6.4 ± 0.53) years
Age at disease onset (Mean ± SEM)		(27.29 ± 0.8) years
Type of treatment		Interferon beta-1a (9 patients) Interferon beta-1b (11 patients) Azathioprine (3 patients) Cyclophosphamide (8 patients) Monthly methylprednisolone (42 patients)

EDSS expanded disability status scale; VEP visual evoked potential