Table 1 Demographical characteristics of the patients included in the study at the onset of natalizumab treatment.

From: Predictive factors and early biomarkers of response in multiple sclerosis patients treated with natalizumab

Gender

N

Males

64

Females

122

Age (years, med (P25-P75))

37.0 (27.0–46.5)

Age at disease onset (years, med (P25-P75))

27.0 (19.0–38.0)

Disease duration at natalizumab onset (months, med (P25-P75))

92.0 (24.0–226.0)

MS type

N

RR

169

SP

17

EDSS (med (P25-P75))

3.0 (1.5–5.5)

Relapses 2 years before (med (P25-P75))

2.0 (1.0–4.5)

Treatment naïve (N)

28

Last treatment before natalizumab onset

N

Glatiramer acetate

54

Interferon beta

93

Mitoxantrone

7

Cyclophosphamide

2

Fingolimod

1

Teriflunomide

1

Duration of the last treatment (months, med (P25-P75))

25.0 (11.0–49.0)

Number of previous treatments before natalizumab onset

N

1

86

2

49

3

15

4

6

5

2

Months treated before natalizumab onset (med (P25-P75))*

49.0 (21.0–81.0)

Patients receiving previous immunosuppressant treatment (N)

19

Months under immunosuppressant treatment (med (P25-P75))**

15.0 (3.0–24.0)

Months since disease onset until first treatment (med (P25-P75))

32.0 (13.0–83.0)

  1. med median, P25 25th percentile, P75 75th percentile, EDSS Expanded Disability Status Scale.
  2. *Only among those MS patients who received at least one treatment before natalizumab onset.
  3. **Only among those MS patients who received this treatment.