Table 1.
Patient characteristics
| Parameter | Inflammatory neuropathy | Motor neuron disease | Level of significance | |
|---|---|---|---|---|
| CIDP | MMN | |||
| Number of patients | 50 | 31 | 42 | – |
| Age, years (SD) | 63.8 (9.4) | 52.5 (11.7) | 63.1 (11.2) | < 0.001* |
| Male (%) | 42 (84.0%) | 29 (93.5%) | 31 (73.8%) | 0.083 |
| Disease duration, months (SD) | 33.6 (65.2) | 61.8 (80.5) | 45.4 (38.1) | 0.143 |
| Nerve conduction study | ||||
| Inconclusive (%) | 14 (28.0%) | 7 (22.6%) | – | |
| Possible (CIDP)/slowing of conduction (MMN) (%) | 9 (18.0%) | 3 (9.7%) | – | |
| Probable (%) | 2 (4.0%) | 3 (9.7%) | – | |
| Definite (%) | 25 (50.0%) | 18 (58.1%) | – | |
| Ultrasound | ||||
| Normal (%) | 10 (20.0%) | 6 (19.4%) | 5 (11.9%) | |
| Abnormal (%) | 35 (70.0%) | 25 (80.6%) | 3 (7.1%) | |
| Missing (%) | 5 (10.0%) | 0 (0.0%) | 34 (81.0%) | |
*Age differs significantly between patients with MMN and patients with CIDP, and between patients with MMN and disease controls