Descriptive profile of principal speech and communication measures
| People with PD | Conversation partner controls | |
| Read sentence intelligibility | 81.1 (15.0) | 87.9 (3.6) |
| Conversational sentence intelligibility | 55.8 (26.5) | 71.9 (13.0) |
| Emotional conveyance (happy audio) | 36.5 (20.5) | 55.6 (20.8) |
| Emotional conveyance (happy audiovisual, %) | 54.1 (20.5) | 61.4 (13.9) |
| Emotional conveyance (neutral audio, %) | 55.4 (18.0) | 46.7 (18.6) |
| Emotional conveyance (neutral audiovisual,%) | 38.5 (25.3) | 53.6 (20.8) |
| Emotional conveyance (sad audio, %) | 55.8 (21.3) | 64.8 (18.7) |
| Emotional conveyance (sad audiovisual,%) | 55.8 (23.1) | 63.0 (25.2) |
| CPIB (T score) | 53.0 (9.6) | NA |
| CPIB (overall rating of degree to which PD affects communication, n(%)) | Not at all: 11 (24%) A little: 24 (53%) Quite a bit: 9 (20%) Very much: 1 (2%) | NA |
Figures are mean (SD) unless stated. Intelligibility is scored as percentage of words correctly identified. Emotional conveyance is scored as percentage of tokens for which emotion was correctly identified.
CPIB, Communicative Participation Item Bank; PD, Parkinson’s disease.