Table 1.
Subject Characteristics
| Group | N | Age Mean (std) |
|---|---|---|
| DPN | 18 | 60.8 (6.6) |
| DNI | 7 | 58.1 (7.2) |
| PNNoD | 14 | 57.8 (6.3) |
| NINoD | 30 | 58.4 (7.4) |
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