Table 4. Univariate logistic regression analyses performed on all ISA patients vs others.

Effect	mean±sd or n (%)	OR (95% CI)	p-value
Age at onset	29.46±10	1.016(1.010–1.022)	<0.0001
Assignment age	37.88±9.92	1.025(1.02–1.03)	<0.0001
Disease duration	1089(53.54)	1.35(1.22–1.50)	<0.0001
(= >5 vs <5)
Disease course	657(38.38)	6.37(5.50–7.38)	<0.0001
(PP vs RR)
EDSS	458(43.79)	4.65(3.97–5.44)	<0.0001
(= >4 vs <4)
SEX	743(36.53)	1.30(1.16–1.45)	<0.0001
(M vs F)
Geographical areas	1288(63.32)	1.34(1.20–1.49)	<0.0001
(South-Islands vs Centre-North)