Table 2.

Number of MRI supratententorial, infratentorial T2 lesions and T1 Gd(+) lesions for studied groups: A (beta-1a interferons treated RRMS group), B (beta-1b interferons treated RRMS group), G (glatiramer acetate treated RRMS group), MX (mitoxantrone treated SP or PR MS group), P (immunomodifying pre-treated RRMS group)

Group	A	B	G	MX	P
Patients number (n)	25	27	12	17	21
Number of supratentorial T2 lesions (mean ± SD)	23.70 ± 19.36	24.05 ± 14.23	29.00 ± 10.53	31.11 ± 12.44	21.71 ± 13.54
Number of infratentorial T2 lesions (mean ± SD)	2.12 ± 0.3	2.01 ± 1.33	5.33 ± 4.72	3.55 ± 2.53	1.42 ± 0.77
Number of supratentorial T1Gd(+) lesions (mean ± SD)	0.625 ± 0.25	0.21 ± 0.71	0	0	0