Table 1

Baseline characteristics of patients who did and did not enter the BENEFIT Extension study (A) at the start of the placebo-controlled phase of BENEFIT and (B) at the start of the extension study

(A)Baseline characteristics
Did not enter BENEFIT extensionEntered BENEFIT extension
Early treatmentDelayed treatmentOverallEarly treatmentDelayed treatmentOverall
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Age (years), median (Q1–3)29.0 (24.0–38.0)30.5 (27.0–37.0)30.0 (25.0–37.0)30.0 (24.0–37.0)30.0 (24.0–35.0)30.0 (24.0–36.5)
Female, %70.270.070.171.370.871.1
Multifocal onset, %42.148.644.651.146.249.3
Steroid treatment at first event, %75.470.073.469.169.869.4
Number of T2 lesions, median (Q1–3)18.0 (8.0–36.0)18.5 (6.0–34.0)18.0 (7.0–35.5)18.0 (7.0–39.0)16.0 (8.0–37.0)17.0 (7.0–38.5)
Number of Gd-enhancing lesions, median (Q1–3)0.0 (0.0–1.0)0.0 (0.0–1.0)0.0 (0.0–1.0)0.0 (0.0–1.0)0.0 (0.0–1.0)0.0 (0.0–1.0)
EDSS at baseline median (mean), Q1–31.5 (1.64), 1.0–2.01.5 (1.53), 1.0–2.01.5 (1.60), 1.0–2.01.5 (1.55), 1.0–2.01.5 (1.46), 1.0–2.01.5 (1.52), 1.0–2.0
At start of extension study
Did not enter BENEFIT extensionEntered BENEFIT extension
(B)Early treatmentDelayed treatmentOverallEarly treatmentDelayed treatmentOverall
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CDMS, n (%)40 (35.1)34 (48.6)74 (40.2)84 (47.2)60 (56.6)144 (50.7)
McDonald MS,n (%)81 (71.1)56 (80.0)137 (74.5)144 (80.9)98 (92.5)242 (85.2)
EDSS, median (mean), Q1–31.5 (1.55), 1.0–2.01.5 (1.67), 1.0–2.01.5 (1.60), 1.0–2.01.5 (1.51), 1.0–2.01.5 (1.51), 1.0–2.01.5 (1.51), 1.0–2.0
  • CDMS, clinically definite multiple sclerosis; EDSS, Expanded Disability Status Scale; Gd, gadolinium; MS, multiple sclerosis; Q1–3, 1st to 3rd quartile.