Differences at baseline between those included and those not included in this study
| Variables | Included (n = 162) | Not included (n = 62) | Statistics | 95% CI/IQR |
|---|---|---|---|---|
| ADAS-cog; Alzheimer’s Disease Assessment Scale—Cognitive Subscale; ADCS-ADL; Alzheimer’s Disease Cooperative Study—Activities of Daily Living; IQR, interquartile range; MMSE, Mini-Mental State Examination; NPI, Neuropsychiatric Inventory; SIB, severe impairment battery. | ||||
| *p<0.001. | ||||
| **p = 0.002. | ||||
| Sex, n (%) female | 118 (72.8) | 42 (67.7) | χ2 = 0.6 | 95% CI 0.7 to 2.4 |
| Age, mean (SD) | 80.8 (7.5) | 81.7 (7.3) | t = 0.9 | 95% CI −1.2 to 3.2 |
| SIB, median (range) | 94 (11–99) | 71 (0–100)* | U = 2917 | IQR 76–96 |
| MMSE, mean (SD) | 16.8 (6.9) | 9.3 (9.3)* | t = 5.7 | 95% CI −10.0 to −4.6 |
| ADAS-cog- mean (SD) | 33.0 (15.9) | 50.4 (23.7)* | t = 5.0 | 95% CI 10.4 to 24.4 |
| NPI total median (range) | 13 (0–79) | 18.5 (0–69) | U = 4417 | IQR 7–25 |
| ADCS-ADL total median (range) | 40.5 (1–77) | 12.5 (0–78)* | U = 2450 | IQR 16–54.8 |
| Taking antipsychotic drugs, n (%) | 30 (18.5%) | 24 (38.7%)** | χ2 = 10.0 | 95% CI 2.9 to 10.9 |