Table 1 Baseline characteristics of the study sample.

From: Structural disconnection-based prediction of poststroke depression

Variable

Total

PSD

Non-PSD

P value

N

697

194

503

–

Sociodemographic factors

Ā Ā Ā Ā 

Age, years

59 (52,66)

59.5 (52,66)

59 (52,66)

0.925

Sex, female

144 (20.7)

56 (28.9)

88 (17.5)

<0.001*

Education years

9 (9,12)

9 (6,12)

9 (9,12)

<0.001*

Social support level

38 (32,43)

38 (32,44)

38 (34,43)

0.841

Living alone

52 (7.5)

15 (7.7)

37 (7.4)

0.866

Premorbid physical exercise habit

231 (33.1)

43 (22.2)

188 (37.4)

<0.001*

Prior stressful life event

40 (5.7)

13 (6.7)

27 (5.4)

0.498

Clinical factors

Stroke subtype

Ā Ā Ā 

0.033*

large-artery atherosclerosis

464 (66.6)

139 (71.6)

325 (64.6)

–

cardioembolism

46 (6.6)

18 (9.3)

28 (5.6)

–

small-vessel occlusion

59 (8.5)

11 (5.7)

48 (9.5)

–

stroke of other determined etiology

42 (6)

7 (3.6)

35 (7)

–

stroke of undetermined etiology

86 (12.3)

19 (9.8)

67 (13.3)

–

NIHSS

3 (1,5)

4 (2,8)

2 (1,5)

<0.001*

BI

95 (60,100)

67.5 (40,100)

95 (65,100)

<0.001*

MoCA

20 (16,24)

17 (13,21)

21 (17,24)

<0.001*

Tissue plasminogen activator administered

46 (6.6)

12 (6.2)

34 (6.8)

0.784

Endovascular intervention

36 (5.2)

15 (7.7)

21 (4.2)

0.057

Diabetes mellitus

179 (25.7)

55 (28.4)

124 (24.7)

0.317

Hypertension

401 (57.5)

111 (57.2)

290 (57.7)

0.917

Hyperlipidaemia

147 (21.1)

37 (19.1)

110 (21.9)

0.417

Coronary heart disease

48 (6.9)

18 (9.3)

30 (6)

0.121

Psychological factors

Neuroticism

9 (6,11)

9 (7,12)

8 (5,10)

<0.001*

Extroversion

11 (8,14)

11 (7,13)

11 (9,15)

0.005*

Psychoticism

5 (3,6)

5 (3,6)

5 (3,6)

0.874

Neuroimaging factors

Timing of imaging since stroke onset, days

3 (2,3)

3 (1,4)

3 (2,3)

0.749

Lesion localization

–

–

–

0.183

left hemispheric

244 (35)

67 (34.5)

177 (35.2)

–

right hemispheric

274 (39.3)

85 (43.8)

189 (37.6)

–

bihemispheric

30 (4.3)

10 (5.2)

20 (4)

–

infratentorial

149 (21.4)

32 (16.5)

117 (23.3)

–

Lesion volume, cm3

5.0 (2.1,17.2)

9.5 (3.7,27.6)

4.1 (1.9,14.1)

<0.001*

  1. Continuous variables are presented as median (interquartile range) and categorical variables as n (%).
  2. PSD poststroke depression, NIHSS National Institutes of Health Stroke Scale, BI Barthel index, MoCA Montreal Cognitive Assessment.
  3. *P < 0.05.