Descriptive details of study sample for reliability and validity procedures
| Subject details | Mean age, years (SD) | Mean 7 day step count (range) | Mean gait speed, m/s (SD) | Median RMI (range; 0–15) |
|---|---|---|---|---|
| *Indicates significant difference to the matched group (p = 0.001). | ||||
| MD, primary muscle disorder; MS, multiple sclerosis; PD, Parkinson’s disease. | ||||
| Reliability study | ||||
| Healthy subjects (n = 10) (6 male) | 43.3 (18.9) | 6520 (3613–10002) | 1.49 (0.26) | |
| Neurology patients (n = 10) (5 male) | 59.4 (13.4) | 2961 (716–5301) | 0.82 (0.38) | 12 (8–14) |
| Validity study | ||||
| MS patients (n = 10) (0 male) (median EDSS 4.0, range 2.0–6.5) | 37.9 (10.1) | 2985 (689–5340) * | 1.06 (0.43) | 13 (9–15) |
| Matched MS healthy subjects (n = 10) | 37.5 (12.6) | 6929 (4347–10002) | 1.33 (0.21) | |
| PD patients (n = 10) (7 male) | 67.1 (8.2) | 3818 (1611–5391) * | 0.99 (0.16) | 13 (9–15) |
| Matched PD healthy subjects (n = 10) | 66.8 (10.8) | 6347 (4703–9955) | 1.22(0.23) | |
| MD patients (n = 10) (6 male) | 52.1 (12.5) | 3003 (716–5302) * | 0.79 (0.23) | 12 (9–15) |
| Matched MD healthy subjects (n = 10) | 49.5 (16.7) | 5368 (2886–7758) | 1.37 (0.3) | |
| Grouped neurology patients (n = 30) | 52.4 (15.7) | 3268 (689–5391) | 0.95 (0.3) | 13 (9–15) |
| Healthy subjects (n = 30) | 51.3 (17.9) | 6214(2886–10002) | 1.3 (0.25) | |