Table 1.
Demographic data of the participant subgroups at the time of ultrasound.
| NS | NS and MRV | NS and MRV and TLV |
|
|---|---|---|---|
| All MS Subjects | 206 | 98 | 40 |
| Age in years1 | 48.2 ± 9.9 | 47.6 ± 9.9 | 44.5 ± 11.2 |
| % female | 71.4 | 69.4 | 67.5 |
| Duration of Symptoms1 | 13.7 ± 10.0 | 14.2 ± 10.3 | 10.8 ± 10.1 |
| Duration of MS Diagnosis2 |
9.9 ± 7.8 | 9.9 ± 8.2 | 7.6 ± 8.1 |
| % on DMT | 79.7 | 80.6 | 82.5 |
| EDSS at NS3 | 2.6 ± 2.0 2 (0 – 7) |
2.3 ± 1.8 2 (0 – 6.5) |
2.1 ± 1.5 2 (0 – 6.5) |
| CIS | 12 | 6 | 3 |
| RRMS | 128 | 62 | 29 |
| SPMS | 48 | 23 | 8 |
| PRMS | 3 | 2 | 0 |
| PPMS | 15 | 5 | 0 |
| Interval NS to MRV4 | - | 219 ± 143 | - |
| Interval MRV to TLV5 | - | - | 136 ± 109 |
Abbreviations used in order of appearance in Table: NS = neurosonography, MRV = magnetic resonance venography, TLV = transluminal venography, DMT = disease modifying treatment, EDSS = expanded disability status scale, CIS = clinically isolated syndrome, RR = relapsing remitting, SP = secondary progressive, PR = progressive relapsing, PP = primary progressive
1
in years ± standard deviation at time of consent for NS
2
in years ± standard deviation at time of consent for NS; excludes CIS group
3
mean ± standard deviation; median (range)
4
in days ± standard deviation from performance of NS to completion of MRV
5
in days ± standard deviation from performance of MRV to completion of TLV