Table 1 .
Prevalence of CCSVI in patients with multiple sclerosis and in healthy controls
| Author (ref.) | MS Patients | Controls | Investigation | ||
|---|---|---|---|---|---|
|
| |||||
| CCSVI | Total | CCSVI | Total | ||
| Zamboni et al. 2009 ( 1 ) | 65 (100%) | 65 | 0 (0%) | 235 | duplex, venography |
| Zivadinov et al. 2011 ( 4 ) | 162 (56.1%) | 289 | 374 (22.7%) | 163 | duplex |
| Doepp et al. 2011 ( 8 ) | 0 (0%) | 56 | 0 (0%) | 20 | duplex |
| Mayer et al. 2011 ( 9 ) | 0 (0%) | 20 | 1 (5%) | 20 | duplex |
| Yamout et al. 2010 ( 10 ) | 19 (45%) | 42 | – | – | venography |
| Baracchini et al. 2011 ( 11 ) | 8 (16%) | 50 | 1 (2%) | 50 | duplex, venography |
| Al-Omari et al. 2010 ( 5 ) | 21 (84%) | 25 | 0 (0%) | 25 | duplex |
| Simka et al. 2010 ( 6 ) | 64 (91%) | 70 | – | – | duplex |
| Bastianello et al. 2011 ( 7 ) | 610 (86%) | 710 | – | – | duplex |