Table 2 Effects on neuropsychiatric signs and symptoms
Intervention group, mean (SD) | Control group, mean (SD) | RM ANOVA group × time | ||||||
|---|---|---|---|---|---|---|---|---|
Baseline | Follow-up | Baseline | Follow-up | F(1,68) | p | d | 1 – β | |
NPI totala | 22.5 (12.3) | 10.3 (7.3) | 22.5 (13.9) | 16.2 (9.9) | 4.4 | 0.04 | 0.51 | 0.99 |
Psychotic symptoms | 3.3 (5.9) | 1.0 (1.9) | 2.8 (4.6) | 1.9 (3.3) | 1.6 | 0.22 | 0.30 | 0.70 |
Emotional symptoms | 11.0 (7.3) | 4.0 (4.2) | 10.7 (9.0) | 7.2 (5.9) | 3.7 | 0.06 | 0.75 | 0.99 |
Behavior symptoms | 6.9 (4.9) | 4.0 (4.4) | 6.1 (4.5) | 5.2 (4.6) | 4.6 | 0.04 | 0.52 | 0.99 |
Neurovegetative symptoms | 1.3 (2.7) | 1.3 (2.8) | 2.9 (4.6) | 1.9 (3.1) | 0.8 | 0.39 | 0.21 | 0.41 |
CMAI totalb | 51.4 (12.5) | 41.7 (10.2) | 51.3 (12.4) | 45.5 (10.7) | 2.6 | 0.11 | 0.40 | 0.90 |
Aggressive behavior | 15.9 (5.1) | 12.9 (1.8) | 16.5 (5.8) | 14.1 (2.9) | <0.1 | 0.57 | 0.42 | 0.21 |
Physically nonaggressive behavior | 16.3 (7.4) | 13.9 (7.5) | 16.8 (6.1) | 14.9 (6.7) | 0.2 | 0.70 | 0.11 | 0.15 |
Verbally agitated behavior | 11.3 (5.9) | 7.4 (4.1) | 9.7 (4.4) | 8.8 (4.4) | 7.9 | 0.01 | 0.68 | 0.99 |
Hiding and hoarding | 2.3 (1.5) | 2.4 (1.5) | 2.7 (2.3) | 2.3 (1.1) | 2.3 | 0.33 | 0.24 | 0.50 |