Table 2.
Neuropsychiatric Inventory Composite Scores and Frequencies
| Behavior (NPI Domain) | Mean Frequency × Severity ± SD | Mild N (%) | Moderate N (%) | Severe N (%) | Total N (%) |
|---|---|---|---|---|---|
| Apathy/Indifference | 3.5±3.7 | 42 (27.3) | 40 (26.0) | 13 (8.4) | 95 (61.7) |
| Depression/Dysphoria | 1.7±2.2 | 64 (41.6) | 25 (16.2) | 1 (0.6) | 90 (58.4) |
| Sleep and Nighttime Behavior Disorders | 3.0±3.8 | 31 (20.1) | 35 (22.7) | 14 (9.1) | 80 (51.9) |
| Appetite and Eating Disorders | 2.6±3.9 | 16 (10.4) | 31 (20.1) | 14 (9.1) | 61 (39.6) |
| Agitation/Aggression | 1.1±1.9 | 39 (25.3) | 15 (9.7) | 1 (0.6) | 55 (35.6) |
| Irritability/Lability | 1.0±1.9 | 33 (21.4) | 16 (10.4) | 2 (1.3) | 51 (33.1) |
| Disinhibition | 1.1±2.3 | 28 (18.2) | 19 (12.3) | 2 (1.3) | 49 (31.8) |
| Anxiety | 0.6±1.4 | 23 (14.9) | 13 (8.4) | 1 (0.6) | 37 (23.9) |
| Elation/Euphoria* | 0.4±1.6 | 13 (8.4) | 7 (4.5) | 1 (0.6) | 21 (13.5) |
| Aberrant Motor Behavior | 0.7±2.1 | 9 (5.8) | 7 (4.5) | 3 (1.9) | 19 (12.2) |
| Hallucinations | 0.3±1.0 | 12 (7.8) | 5 (3.2) | 0 (0.0) | 17 (11.0) |
| Delusions | 0.1±0.4 | 7 (4.5) | 1 (0.6) | 0 (0.0) | 8 (5.1) |
| NPI Total | 10.8±9.2 |
Note. NPI=Neuropsychiatric Inventory