| Score | Severity | Description |
|---|---|---|
| 0 | Not present | Not present or within the range of healthy older speakers |
| 1 | Mild | Detectable but infrequent |
| 2 | Moderate | Frequently evident but not pervasive |
| 3 | Marked | Moderately severe, pervasive |
| 4 | Severe | Nearly always evident |
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