Age at onset of MS, N = 40 mean (SD) |
33.9 (12.5) |
33.4 (9.6) |
0.955 |
Sex, N = 40 |
Male (%) |
19 (82.6) |
12 (70.6) |
0.456 |
Female (%) |
4 (17.4) |
5 (29.4) |
Race, N = 40 |
African American (%) |
3 (13) |
5 (29.4) |
0.333 |
Hispanic (%) |
1 (4.3) |
0 |
White (%) |
19 (82.6) |
12 (70.6) |
Duration of disease prior to QW INFβ, N = 40 |
Mean years (SD) |
16 (11.5) |
13.7 (10.3) |
0.506 |
Type of MS disease, N = 40 |
RR (%) |
6 (26.1) |
7 (41.2) |
0.718 |
SP (%) |
17 (73.9) |
10 (58.8) |
|
Age at start of QW INFβ, N = 40 mean (SD) |
50.3 (10.4) |
47.8 (8.7) |
0.410 |
Age at start of BIW INFβ, N = 40 mean (SD) |
52.1 (10.4) |
49.8 (8.4) |
0.457 |
Duration of disease prior to BIW INFβ, N = 40 |
Mean years (SD) |
17.8 (12) |
13.7 (10.3) |
0.506 |
Type of MS disease at start of BIW INFβ, N = 40 |
RR (%) |
5 (21.7) |
7 (41.2) |
0.715 |
SP (%) |
18 (78.3) |
10 (58.8) |
EDSS score at start of QW INFβ, N = 40 mean (SD) |
5 (1.6) |
5.3 (1.4) |
0.575 |
Number of relapses in the 2 years prior to start of QW INFβ, N = 40 |
Mean (SD) |
1 (1.2) |
2.1 (1.6) |
0.020 |
Number of relapses in the 2 years prior to start of BIW INFβ, N = 40 |
Mean (SD) |
1.3 (1.5) |
1.9 (1.4) |
0.254 |
EDSS score at start of BIW INFβ, N = 40 mean (SD) |
5.3 (1.6) |
5.4 (1.4) |
0.804 |
Stable on QW INFβ prior to switch to BIW, N = 40 |
Yes (%) |
5 (21.7) |
3 (17.6) |
0.999 |
No (%) |
18 (78.3) |
14 (82.4) |
|
Duration of QW stability prior to switch to BIW, N = 8 |
Mean years (SD) |
4.2 (3.5) |
5.7 (2.1) |
0.540 |
Worsening EDSS as reason for BIW INFβ, N = 40 |
Yes (%) |
9 (39.1) |
5 (29.4) |
0.763 |
No (%) |
14 (60.9) |
12 (70.6) |
|
Worsening neurological exam as reason for BIW INFβ, N = 40 |
Yes (%) |
9 (39.1) |
10 (58.8) |
0.361 |
No (%) |
14 (60.9) |
7 (41.2) |