Table 3.

Results of multivariate analysis of predictors of McDonald MS.

Predictors of McDonald MS	Odd ratio	Confidence interval (95%)	P value
Age at onset	0.38	0.15–0.97	0.043*
Gender	0.87	0.58–1.32	0.51
Clinical presentation
Optic neuritis	1.31	0.66–2.63	0.44
Brainstem/cerebellum	1.01	0.48–2.16	0.97
Spinal cord	1.37	0.20–9.34	0.76
Supratentorial	1.12	0.11–11.82	0.91
Number of lesions in MRI
1–3	2.14	0.18–25.13	0.54
4–8	9.18	1.12–75.10	0.034*
≥9	2.06	1.34–3.17	0.001*

^∗Statistically significant.