Table 1.
Demographics, Clinical Characteristics, and Behavioral Performance of Training and Test Samples
| Internal sample, n = 36 |
Validation cohort, n = 36 |
|||
|---|---|---|---|---|
| Mean | SD | Mean | SD | |
| Demographics | ||||
| Age (years) | 45.5 | 7.67 | 45.3 | 7.28 |
| Education (years) | 16.4 | 2.34 | 16.5 | 1.98 |
| % female | 80.6 | 77.8 | ||
| Race | ||||
| Caucasian/White | 31 | 29 | ||
| African-American or Black | 2 | 4 | ||
| American Indian or Alaska Native | 0 | 0 | ||
| Asian | 0 | 0 | ||
| Native Hawaiian or Pacific Islander | 0 | 0 | ||
| Other | 2 | 3 | ||
| Prefer not to answer | 1 | 0 | ||
| Clinical characteristics | ||||
| Disease duration (years) | 10.8 | 7.71 | 11.0 | 6.01 |
| EDSS | 3.71 | 1.15 | 3.94 | 0.72 |
| Total lesion volume (mL) | 9.62 | 6.92 | 4.48 | 4.93 |
| Behavioral performance | ||||
| Math | 0.95 | 0.069 | — | — |
| PVSAT | 0.90 | 0.10 | — | — |
| 0-back | — | — | 0.91 | 0.083 |
| 2-back | — | — | 0.86 | 0.077 |
EDSS, Expanded Disability Status Scale; HCP, Human Connectome Project sample used by Avery et al. (2020) to derive working memory networks in healthy adults; PVSAT, Paced Visual Serial Addition Test; SD, standard deviation; —, not applicable data.