All the patients n = 25

With sequelae n = 11

Without sequelae n = 14

Difference between the 2 groups: Statistical significance

Epidemiological data

Mean age (years)

5,8

6,6

5,1

NS

Sex F-M

8-17 (32-68)

3-8 (27-73)

5-9 (36-64)

NS

Infectious history

6 (24)

3 (27)^*

3 (21)

NS

Clinical presentation

Impairment of consciousness

14 (56)

5 (45)

9 (64)

NS

Language disturbances

10 (40)

5 (45)

5 (36)

NS

Seizures

9 (36)

4 (36)

5 (36)

NS

Motor disorders

8 (32)

5 (45)

3 (21)

NS

Coma

6 (24)

4 (36)

2 (14)

NS

Cerebellar symptoms

6 (24)

2 (18)

4 (28)

NS

Cranial nerves disorders

4 (16)

2 (18)

2 (14)

NS

Oculomotor disturbances

4 (16)

2 (18)

2 (14)

NS

Behavioral impairments

2 (8)

1 (9)

1 (7)

NS

Visual disorders

1 (4)

0 (0)

1 (7)

NS

Sensitive disorders

0 (0)

0 (0)

0 (0)

Treatments

Corticosteroids IV

17 (68)

8 (73)

9 (64)

NS

Corticosteroids start (days)

5,3

6,5

4,2

NS

Corticosteroids dose (mg/kg/d)

29,4

28,8

30

NS

Corticotherapy duration (jours)

4,7

4,7

4,1

NS

IgIV

8 (32)

4 (36)

4 (28)

NS

Complementary exams

Biological inflammatory syndrome

9 (36)

3 (27)

6 (24)

NS

Anormal LP^†

11/24 (46)

6/11 (54)

5/13 (38)

NS

Anormal EEG^‡

17/20 (46)

9/9 (100)

8/11 (73)

NS