Table 1.
Speaker characteristics are summarized.
| Speaker | Age | Years Post Diagnosis | History of Speech Therapy | SIT % | Scaled Severity Grandfather Passage |
|---|---|---|---|---|---|
| CM01 | 55 | – | – | 97 | 0.43 |
| CM02 | 53 | – | – | 95 | 0.23 |
| CM03 | 70 | – | – | 90 | 0.31 |
| CM05 | 58 | – | – | 91 | 0.28 |
| CM06 | 52 | – | – | 94 | 0.47 |
| CM08 | 68 | – | – | 93 | 0.39 |
| CM09 | 63 | – | – | 92 | 0.27 |
| CF01 | 73 | – | – | 94 | 0.49 |
| CF02 | 77 | – | – | 91 | 0.42 |
| CF05 | 50 | – | – | 94 | 0.28 |
| CF17 | 75 | – | – | 95 | 0.32 |
| CF22 | 65 | – | – | 94 | 0.19 |
| MEAN | 63 | 93 | 0.34 | ||
| SD | 10 | 2 | 0.09 | ||
| RANGE | 50–77 | 90–97 | 0.19–0.49 | ||
| PDM01 | 76 | 12 | No | 87 | 0.46 |
| PDM02 | 65 | 8 | No | 89 | 0.50 |
| PDM03 | 58 | 13 | No | 89 | 0.65 |
| PDM04 | 55 | 5 | No | 92 | 0.10 |
| PDM06 | 66 | 3 | No | 91 | 0.20 |
| PDM07 | 67 | 32 | Yes | 90 | 0.63 |
| PDM08 | 78 | 4 | Yes | 90 | 0.80 |
| PDF01 | 76 | 20 | Yes | 84 | 0.85 |
| PDF04 | 48 | 11 | Yes | 90 | 0.54 |
| PDF05 | 74 | 2 | Yes | 87 | 0.66 |
| PDF06 | 75 | 5 | No | 90 | 0.62 |
| PDF08 | 63 | 2 | No | 89 | 0.26 |
| MEAN | 68 | 10 | 89 | 0.52 | |
| SD | 10 | 9 | 2 | 0.23 | |
| RANGE | 48–78 | 2–32 | 84–92 | 0.10–0.85 |
Participant code: Control (C), Parkinson’s Disease (PD), Male (M) and Female (F). The Sentence Intelligibility Test (SIT) score is the average sentence perceptual judgment of 10 inexperienced listeners, as reported in Sussman & Tjaden (2012).