Participant characteristics
| Skype dysarthria therapy group (n=11) | Usual therapy group (n=11) | |
| Sex | 5 M; 6 F | 9 M; 2 F |
| Mean age in years (SD) | 8.8 (2.1) | 8.8 (4.1) |
| Type of cerebral palsy | Spastic 6 Dyskinetic 5 | Spastic 6 Dyskinetic 3 Ataxic 2 |
| GMFCS median (IQR) | III (I, IV) | I (II, IV) |
| MACS median (IQR) | II (I, III) | II (II, III) |
| CFCS median (IQR) | III (I, IV) | II (II, III) |
| Viking Speech Scale median (IQR) | III (II, III) | III (II, III) |
| Mean language comprehension age (TROG2 age equivalent score) | 7.8 (3.3) | 5.6 (2.9) |
| Mean non-verbal understanding age (Raven’s Progressive Matrices age equivalent score) | 6.6 (2.8) | 4.9 (2.0) |
| Mean length of utterance in words | 5.2 (1.9) | 5.3 (2.8) |
| Phonemes articulated (from DEAP, /24) | 19.9 (4.5) | 18.1 (5.6) |
CFCS Communication Function Classification System59; DEAP, Diagnostic Examination of Articulation and Phonology; GMFCS, Gross Motor Function Classification Scale60; MACS, Manual Ability Classification Scale61; TROG2, Test of Reception of Grammar second edition31.