Table 2.
Relevant speech severity ratings for participants with PD.
| Participant | Degree of reduced loudness |
Reduced articulatory precision |
Impairment of speech rate |
|---|---|---|---|
| PD1 | Normal–mild | Mild | Normal |
| PD2 | Mild | Mild | Mild |
| PD3 | Moderate | Mild | Moderate |
| PD4 | Moderate | Mild | Mild |
| PD5 | Mild | Normal | Normal–Mild |
| PD6 | Normal | Normal | Mild |
| PD7 | Severe | Mild–moderate | Mild–Moderate |
| PD8 | Moderate | Mild | Mild–Moderate |
| PD9 | Normal–mild | Mild | Moderate |
| PD10 | Moderate | Mild | Mild |
| PD11 | Mild | Mild | Mild |
| PD12 | Normal | Mild | Mild |
| PD13 | Mild | Mild | Mild–Moderate |
| PD14 | Mild | Mild | Normal–Mild |
| PD15 | Mild | Normal–mild | Mild |
| PD16 | Mild | Normal | Normal–Mild |