Univariate and multivariate analyses of the clinical and radiological determinants of DAS.
DAS
No DAS
value
Mean ± SD
Mean ± SD
85
620
Age
66.9 ± 11.6
66.2 ± 11.6
0.632†
Female
50 (58.8)
238 (38.4)
<0.001‡
Education (years)
4.4 ± 4.7
5.7 ± 4.7
0.005
Previous stroke
23 (27.1)
123 (19.8)
0.123‡
NIHSS during index admission
5.1 ± 3.5
4.4 ± 3.4
0.029
MMSE
24.8 ± 3.6
26.1 ± 3.2
0.002
LSNS
25.5 ± 8.4
30.4 ± 8.2
<0.001†
MLES
2.3 ± 1.2
1.7 ± 0.8
<0.001
Past history of depression
14 (16.5)
7 (1.1)
<0.001‡
Severe brain atrophy
Frontal lobe
12 (14.1)
35 (5.6)
0.003‡
Temporal lobe
6 (7.1)
76 (12.3)
0.161‡
Parietal lobe
14 (16.5)
97 (15.6)
0.845‡
Occipital lobe
13 (15.3)
95 (15.3)
1.000‡
Periventricular hyperintensities
1.2 ± 0.8
1.3 ± 0.9
0.653
Deep white matter hyperintensities
1.1 ± 0.9
1.1 ± 0.8
0.726
Number of acute infarcts
1.0 ± 1.4
1.3 ± 1.1
0.131
Acute infarct volume (mm3)
2.4 ± 5.2
2.9 ± 9.1
0.772
NIHSS: National Institute of Health Stroke Scale; MMSE: Mini-Mental State Examination; LSNS: Lubben Social Network Scale; MLES: Modified Life Event Scale; SD: standard deviation.
*In comparison to the DAS group by means of Mann-Whitney test unless otherwise specified. †In comparison to the DAS group by means of -test. ‡In comparison to the DAS group by means of Chi-square test.