Skip to main content

Table 2 CCSVI classification by MS subtype

From: Clinical correlates of chronic cerebrospinal venous insufficiency in multiple sclerosis

CCSVI Variables

All MS

n= 273

RR-MS

n= 181

SP-MS

n= 80

PP-MS

n= 12

p-value

CCSVI diagnosis

153 (56.0%)

89/181 (49.2%)

58/80 (72.5%)

6/12 (50.0%)

0.002

Criterion 1

127 (46.5%)

76 (42.0%)

45 (56.2%)

6 (50.0%)

0.10

Criterion 2

98 (35.9%)

53 (29.3%)

40 (50.0%)

5 (41.7%)

0.005

Criterion 3

173 (63.4%)

115 (63.5%)

52 (65.0%)

6 (50.0%)

0.60

Criterion 4

28 (10.3%)

12 (6.6%)

15 (18.8%)

1 (8.3%)

0.012

Criterion 5

31 (11.4%)

12 (6.6%)

19 (23.8%)

0 (0%)

< 0.001

Number of abnormal criteria

1.7 ± 1.1

1.5 ± 1.1

2.2 ± 1.1

1.5 ± 1.0

< 0.001

VHISS

2.9 ± 1.9

2.6 ± 1.8

3.7 ± 2.0

2.5 ± 1.6

< 0.001

  1. MS multiple sclerosis; PP primary progressive, PR progressive relapsing; RR relapsing-remitting; SP secondary progressive; VHISS venous hemodynamic insufficiency score.