Table 3.
Descriptive and inferential statistical indices of MRI features between participants with early onset (EOMS), adult onset (AOMS) and late onset multiple sclerosis (LOMS).
| Samples | Statistics (between Groups) | |||||
|---|---|---|---|---|---|---|
| All patients N = 2627 |
EOMS N = 127 |
AOMS N = 2416 |
LOMS N = 84 |
|||
| n (%) | n (%) | n (%) | n (%) | |||
| Location of brain lesion | Supratentorial | 725 (27.6%) | 24 (18.9%) | 674 (27.9%) | 21 (25.0%) | X2 < 1.5, p = 0.115 |
| Infratentorial | 9 (0.4%) | - | 10 (0.4%) | 1 (1.2%) | ||
| Whole brain | 1891 (72.0%) | 103 (78.7%) | 1732 (71.7%) | 62 (73.8%) | ||
| Gadolinium -enhancing brain lesion ≥ 1 | 333 (12.6%) | 22 (17.3%) | 306 (12.7%) | 5 (6.0%) | X2(N = 333, df = 2) = 5.43 * | |
| Spinal lesion ≥ 1 | Cervical | 1557 (59.3%) | 69 (54.3%) | 1441 (59.6%) | 47 (56.0%) | X2 < 1.5, p = 0.405 |
| Thoracic | 87 (3.3%) | 4 (3.1%) | 80 (3.3%) | 3 (3.6%) | X2 < 1.0, p = 0.986 | |
| Total | 1582 (60.2%) | 69 (54.3%) | 1465 (60.6%) | 48 (57.1%) | X2 < 1.5, p = 0.309 | |
| Gadolinium -enhancing spinal lesion ≥ 1 | 94 (3.6%) | 8 (6.3%) | 119 (5.0%) | 2 (2.4%) | X2 < 1.5, p = 0.432 | |
EOMS = early onset multiple sclerosis; AOMS = adult onset multiple sclerosis; LOMS = late onset multiple sclerosis. * = p < 0.05.