Table 1.
Specific categories along with the illustrative diagnoses, numbers in each group, mean age, gender and functional scores represented by the Rivermead Mobility Index (RMI) for each category
| Category | Illustrative specific diagnoses | Mean (SD) age in years; Gender: male/female | Median (range) RMI | Control mean (SD) age in years; Gender: male/female |
| Primary muscle or neuromuscular junction disorder (n = 17) | Muscular dystrophy (n = 9) Polymyositis (n = 5) Myasthenic syndrome (n = 1) Acid-maltase deficiency (n = 1) Familial periodic paralysis (n = 1) |
53.4 (12.4) 8 male, 9 female |
12 (9 to 15) | 51.7 (11.0) 8 male, 9 female (n = 17) |
| Peripheral nerve disorder with sensory loss (n = 18) | Guillain Barré syndrome (n = 9) Chronic inflammatory demyelinating polyneuropathy or sensory/motor neuropathy (n = 7) Axonal sensory/motor polyneuropathy (n = 1) Sensory peripheral polyneuropathy (n = 1) |
56.7 (13.9) 7 male, 11 female |
11.5 (4 to 15) | 56.7 (11.0) 7 male, 11 female (n = 18) |
| Lower motor neuron (LMN) disorder with no or minor sensory loss (n = 12) | Motor neuropathy (n = 3) Motor neuron disease (clinical LMN signs only) (n = 3) Spinal muscular atrophy (n = 5) Lower motor neuron syndrome (n = 1) |
52.9 (14.9) 10 male, 2 female |
12 (4 to 15) | 57.0 (13.5) 14 male; 9 female (n = 24) |
| Upper motor neuron lesions (UMN) (n = 12) | Hereditary spastic paraplegia Motor neuron disease with clinical UMN signs only (n = 1) Pyramidal Adrenoleukodystrophy (manifesting carrier) (n = 1) |
51.6 (11.6) 7 male, 5 female |
11.5 (7 to 14) | 56.8 (14.5) 14 male; 9 female (n = 24) |
| Extra-pyramidal disorder (n = 15) | Parkinson's disease (PD) (n = 15) | 64.3 (10.4) 11 male, 4 female |
14 (9 to 15) | 64.7 (9.5) 11 male, 4 female |