Table 7 Percent reduction in annualized relapse rate with rituximab and Azathioprine

Before treatment

 No of relapses

2.14 ±

0.69

2.88 ±

1.67

0.13

 Duration of treatment (years)

1 ±

0.57

2.59 ±

2.73

0.03

 ARR

2.97 ±

1.8

2.42 ±

1.88

0.53

After treatment

 No of attacks

0.66 ±

0.51

1.05 ±

0.99

0.23

 Duration of treatment (years)

1.05 ±

0.95

1.18 ±

0.94

0.77

 ARR

1.4 ±

2.3

1.81 ±

3.02

0.74

% reduction in ARR

59.8 ±

42.69

31.96 ±

81.64

0.36

% reduction in ARR^a

76.47 ±

13.28

10.21 ±

96.07

0.04^a