Demographics and clinical features of patients with MS and HC from Western Australia
| Characteristics | Mean±SD or number (%) of patients with MS (n=550) | Mean±SD or number (%) of HC (n=299) |
|---|---|---|
| Sex | ||
| Females | 412 (75) | 218 (73) |
| Males | 138 (25) | 81 (27) |
| Ratio F/M | 3:1 | 2.7:1 |
| Age at disease onset, years | 35.4±10.9 (10–67) | N/A |
| Females | 34.9±10.6 (10–67) | |
| Males | 37.2±11.9 (12–64) | |
| Age at sample collection, years | 47.7±12.4 (15–83) | 43.7±8.4 (23–69) |
| Females | 47.5±12.2 (19–83) | 43.7±8.6 (23–69) |
| Males | 48.4±12.9 (15–79) | 43.8±7.9 (29–64) |
| Primary progressive MS | N/A | |
| Females | 19 (4.6) | |
| Males | 20 (14.5) | |
| Not Primary progressive MS | ||
| Females | 393 (95.4) | |
| Males | 118 (85.5) | |
| Helicobacter pylori | ||
| Females | ||
| Positive | 50 (12.1) | 48 (22.0) |
| Negative | 362 (87.9) | 170 (78.0) |
| Males | ||
| Positive | 23 (16.5) | 16 (19.8) |
| Negative | 116 (84.5) | 65 (81.2) |
F/M, female/male; HC, healthy controls; MS, multiple sclerosis; N/A, not applicable.