Table 4.
Breakdown of Decisional Capacity Performances for Cognitively Normal Older Controls (NCs) and Participants with Mild Cognitive Impairment (MCI)
| Decisional Capacity Ability | NC n = 40 | MCI n = 40 |
|---|---|---|
| n (%) | ||
| Understanding | ||
| 26 | 10 (25.0) | 3 (7.5) |
| 24–25 | 17 (42.5) | 9 (22.5) |
| 22–23 | 10 (25.0) | 7 (17.5) |
| 20–21 | 2 (5.0) | 11 (27.5) |
| 18–19 | 1 (2.5) | 5 (12.5) |
| 12–17 | 0 (0.0) | 5 (12.5) |
| Appreciation | ||
| 6 | 25 (62.5) | 16 (40.0) |
| 5 | 12 (30.0) | 14 (35.0) |
| 4 | 3 (7.5) | 6 (15.0) |
| 3 | 0 (0.0) | 1 (2.5) |
| 2 | 0 (0.0) | 2 (5.0) |
| 1 | 0 (0.0) | 1 (2.5) |
| Reasoning | ||
| 8 | 8 (20.0) | 1 (2.5) |
| 7 | 12 (30.0) | 11 (27.5) |
| 6 | 10 (25.0) | 13 (32.5) |
| 5 | 7 (17.5) | 7 (17.5) |
| 4 | 3 (7.5) | 5 (12.5) |
| 3 | 0 (0.0) | 3 (7.5) |
Dotted lines reflect cutoff for ≥1.5 standard deviation below mean performance of NC participants.