Table 1.
Demographic characteristics of participants.
| Characteristic | NSMI (n = 22) | SMI-LCT (n = 31) | SMI-LCI (n = 12) |
|---|---|---|---|
| Male/female ratio | 17:5 | 11:20 | 6:6 |
| No. of visits, M (SD) | 8.7 (2.0) | 8.0 (2.2) | 6.2 (2.2) |
| No. of visits, Mdn | 8.5 | 8.0 | 5.5 |
| Age at first visit (months), M (SD) | 41 (8) | 43 (10) | 53 (15) |
| Age at last visit (months), M (SD) | 88 (10) | 88 (10) | 86 (9) |
| GMFCS (Palisano et al., 1997) | |||
| I | 19 | 14 | 5 |
| II | 3 | 4 | 1 |
| III | 0 | 5 | 1 |
| IV | 0 | 7 | 3 |
| V | 0 | 1 | 0 |
| (Missing) | 0 | 0 | 2 |
| CP type | |||
| Spastic | |||
| Diplegia | 6 | 6 | 1 |
| Hemiplegia (left) | 9 | 4 | 1 |
| Hemiplegia (right) | 4 | 8 | 3 |
| Triplegia | 0 | 1 | 1 |
| Quadriplegia | 0 | 5 | 1 |
| Unknown | 1 | 1 | 0 |
| Dyskinetic | 0 | 1 | 0 |
| Ataxic | 1 | 3 | 1 |
| Mixed | 0 | 0 | 1 |
| Hypotonic | 0 | 1 | 0 |
| Unknown | 1 | 1 | 3 |
Note. NSMI = no speech motor impairment; SMI-LCT = speech motor impairment with typical language comprehension; SMI-LCI = speech motor impairment with impaired language comprehension; GMFCS = gross motor function classification system; CP = cerebral palsy.