Table 1 Demographic and clinical features of patients with and without cognitive deficit at PML diagnosis

Gender (♂)^a

7 (53.8%)

14 (93.3%)

Age at MS diagnosis^b

25.6 (11.5)

23.3 (10.3)

Age at PML diagnosis^b

39.0 (14.1)

37.5 (13.8)

MS duration (years)^b

12.9 (7.3)

12.0 (9.6)

Number of infusions ^b

33.0 (19.5)

34.5 (20.0)

Prior Immunesoppression^a

5 (34.7%)

4 (29.4%)

Viral Load^c

324 [12–26300]

64 [11–4403]

IRIS insurgence (yes)^a

11 (84.6%)

8 (53.3%)

Steroids administration (yes)^a

12 (92.3%)

14 (93.3%)

Other therapies (yes)^a

8 (61.5%)

10 (66.6%)

PLEX (yes)^a

11 (84.6%)

8 (53.3%)