Table 2 |
|||||
| CCSVI classification by MS subtype | |||||
| 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 |
MS multiple sclerosis; PP primary progressive, PR progressive relapsing; RR relapsing-remitting; SP secondary progressive; VHISS venous hemodynamic insufficiency score.
Weinstock-Guttman et al. BMC Neurology 2012 12:26 doi:10.1186/1471-2377-12-26