Research Article

Major Depressive Symptoms Increase 3-Year Mortality Rate in Patients with Mild Dementia

Table 1

Baseline characteristics of patients with mild dementia stratified by Cornell Scores.

VariablesTotal
()
CategoryCornell score
0–7
()
Cornell score
8–10
()
Cornell score
>10
()
Test
( value)

Age, median (interquartile range)77.1 (9.4)77.1 (9.1)75.7 (9.8)78.6 (12.4)0.15

Sex151Male11221180.41
179Female1303316

Household status102Living alone7814100.65
228Living with others1644024

Education205Short education (<3 yrs)1513420 0.10
90Medium education (3-4 yrs)70146
35Long education (>4 yrs)2168

Smoking status95Never smoked7015100.99
147Past smoker1082514
88Current smoker641410

Alcohol consumption26No alcohol20240.20
235≤1 unit per day1713925
572-3 units per day4584
12>3 units per day651

BMI172Normal12429190.41
118Overweight88219
39Obese3036

MMSE, median (interquartile range)24.0 (4.0)24.0 (4.0)24.0 (5.0)24.0 (4.0)0.76

Dementia format239Probable AD17543210.12
82Mixed AD621010
9DLB513

CCI137011014130.01
1401903416
5324265

Anosognosia35No awareness28520.66
196Shallow awareness1393621
98Full awareness751310

Treated with antidepressants within 12 months85Yes5515150.02
239No1833818

QoL-AD, median (interquartile range)33.0 (8.0)35.0 (8.0)30.0 (7.0)29.0 (8.0)<0.0001

ADSC-ADL, median (interquartile range)64.0 (16.0)65.0 (16.0)62.5 (13.0)61.0 (15.0)0.04

NPIQ, median (interquartile range)3.0 (4.0)2.0 (3.0)6.0 (6.0)7.0 (7.0)<0.0001

Randomisation163Control11032210.06
167DAISY intervention1322213

MMSE = Mini-Mental State Examination.
Probable AD = probable Alzheimer’s disease.
Mixed AD = mixed Alzheimer’s disease with vascular component.
DLB = dementia with Lewy bodies.
QoL-AD = Quality of Life Scale for Alzheimer’s Disease.
ADSC-ADL = Alzheimer’s Disease Cooperative Study Activities of Daily Living Scale.
CCI = Charlson Comorbidity Index.
values are from a Kruskal-Wallis test (continuous variables) or a Pearson chi-squared test (categorical variables).