Comparison of NPI-Q subscale scores for delirium, comorbid delirium–dementia, dementia alone and control groups
| Controls | Delirium | Comorbid delirium– dementia | Dementia | |
|---|---|---|---|---|
| NPIQ4-agitation–aggression | 0.3±0.6* | 1.8±1.2 | 1.9±1.4 | 1.2±1.1† |
| NPIQ3-mood | 0.7±1.0‡ | 2.6±2.1 | 3.0±2.4 | 2.7±2.2 |
| NPIQ4-frontal | 0.4±0.8§ | 2.3±2.3 | 2.9±2.5 | 1.6±2.2 |
| NPIQ-psychosis | 0.0±0.2 | 1.4±1.7 | 1.5±2.5 | 1.4±4.1 |
*Controls < comorbid delirium and dementia; and delirium ≤0.05.
†Dementia < comorbid delirium–dementia <0.05.
‡Controls < all other neurocognitive groups ≤0.002.
§Controls < comorbid delirium and dementia; and delirium ≤0.005.
NPI-Q, Neuropsychiatric Inventory.