Screening Dementia in the Outpatient Department: Patients at Risk for Dementia

Table 2

AD8 subitems for the nonsuspected and suspected dementia participants.

AD8 subitems	Nonsuspected	Suspected^#	value
Number	1571	500
(, %)	75.9%	24.1%
Age, years	65, (60, 73)	70, (62, 77)	<0.001^※
(median, IQR^&)
<65	719, 45.8%	169, 33.8%	<0.001
65–74	505, 32.1%	162, 32.4%
75–84	300, 19.1%	126, 25.2%
≥85	47, 3.0%	43, 8.6%
Female	822	263	0.914
(, %)	52.3%	52.6%
AD8 score (median, IQR^&)	0, (0, 1)	3, (2, 4)	<0.001^※
^*AD8-1 (, %)	21, 1.3%	137, 27.4%	<0.001
^*AD8-2	111, 7.1%	240, 48.0%	<0.001
^*AD8-3	87, 5.5%	254, 50.8%	<0.001
^*AD8-4	8, 0.5%	129, 25.8%	<0.001
^*AD8-5	25, 1.6%	180, 36.0%	<0.001
^*AD8-6	9, 0.6%	102, 20.4%	<0.001
^*AD8-7	17, 1.1%	192, 38.5%	<0.001
^*AD8-8	227, 14.5%	422, 84.4%	<0.001

Defined as a total AD8 score ≥2.
^※Obtained by the Wilcoxon rank sum test.
^&IQR: interquartile range.
^*“Change” in each AD8 subitem (number and percentage in that area).
AD8-1: problems with judgment; AD8-2: reduced interest in hobbies/activities; AD8-3: repeating questions, stories, or statements; AD8-4: difficulty in learning how to use a tool, appliance, or gadget; AD8-5: forgetting the correct month or year; AD8-6: difficulty in handling complicated financial affairs; AD8-7: difficulty in remembering appointments; AD8-8: consistent problems with thinking and/or memory.