Katayama et al used decision trees to predict disability in community-dwelling adults. The risk pattern varies with age. The authors are from the National Center for Geriatrics and Gerontology, Japan Society for the Promotion of Science, Dong A University and Tooku University.
Patient selection: Japanese adult from 80 to 89 years, community-dwelling
Parameters:
(1) felt difficulty
(2) memory loss
(3) standing up from chiar
(4) incontinence
(5) visit friend
(6) fall in past year
(7) felt lack of joy
Patient who felt difficulty
Visit Friends
Fall in Past Year
Felt Lack of J
Disability
Yes
Yes
NA
90.6%
Yes
No
NA
80.4%
No
NA
Yes
96.7%
No
NA
No
89.5%
Patient who did not feel difficulty
Memory Loss
Stand Up from Chair
Incontinence
Visit Friends
Disability
Yes
NA
NA
Yes
79.2%
Yes
NA
NA
No
91.4%
No
No
NA
NA
81.1%
No
Yes
Yes
NA
76.7%
No
Yes
No
NA
63%
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