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. 2024 Mar 6;24:89. doi: 10.1186/s12883-024-03568-5

Table 1.

Descriptive statistics by diagnoses of cognitive impairment

Mild Cognitive Impairment Alzheimer’s disease
n 392 358
Age 73.6 (7.0) 78.4 (7.1)
MMSE-KC 23.8 (3.5) 18.7 (4.5)
NPI Behavioral Symptoms * 0.74 (1.44) 1.53 (1.99)

NPI Delusion

(none/mild/moderate/severe)

(%) 92.9/1.0/3.3/2.8 70.9/11.2/13.1/4.7
(n) 364/4/13/11 254/40/47/17

MMSE-KC: Mini-mental status examination Korean version CERAD packet; NPI: Neuropsychiatric Inventory

* Sum of Neuropsychiatric Inventory (NPI) items of agitation, disinhibition, and irritability