Research Article

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

Table 3

AD8 subitems based on age groups among the suspected dementia# participants.

Age group
years
<65
( = 888)
65–74
( = 667)
75–84
( = 426)
≥85
( = 90)
value

Number
(, %)
169
18.9%
162
24.3%
126
29.6%
43
47.8%
Sex
(female, %)
99
58.9%
83
51.2%
57
45.2%
24
55.8%
0.124
AD8 score
(median, IQR&)
3, (2, 4)2, (2, 4)3, (2, 4)4, (2, 5)0.005
*AD8-1 47, 28.0%38, 23.6%33, 26.2%18, 41.9%0.016
*AD8-2 81, 48.5%75, 46.3%56, 44.4%28, 65.1%0.385
*AD8-373, 43.7%83, 51.6%68, 54.4%30, 69.8%<0.013
*AD8-434, 20.4%43, 26.5%36, 28.6%16, 37.2%0.002
*AD8-5 50, 29.8%57, 35.2%56, 44.4%17, 39.5%0.220
*AD8-6 37, 22.2%28, 17.3%23, 18.3%14, 32.6%<0.001
*AD8-7 57, 33.9%59, 36.7%54, 42.9%22, 51.2%0.018
*AD8-8 142, 84.5%141, 87.0%108, 85.7%30, 69.77%<0.001

Defined as a total AD8 score of ≥2.
Suspected dementia participants/total participants in this age group.
Female suspected dementia participants/suspected dementia participants in this age group.
&IQR: interquartile range.
Obtained by the Kruskal-Wallis test.
*“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.