Patient Health Questionnaire-9 and 17-item Hamilton Depression Rating Scale for detecting post-stroke depression in cerebral infarction

Table 1 Comparison of general data between two groups, n (%)/mean ± SD/median (interquartile range)

Variable	PSD group (n = 112)	Non-PSD group (n = 233)	t/χ2/Z value	P value
Sex			3.72	0.054
Male	54 (48.21)	138 (59.23)
Female	58 (51.79)	95 (40.77)
Age (years)	65.73 ± 10.24	62.18 ± 11.35	2.816	0.005
Years of education (years)	8.42 ± 3.67	8.89 ± 3.82	1.087	0.278
Marital status			1.03	0.598
Married	89 (79.46)	195 (83.69)
Divorced/widowed	18 (16.07)	31 (13.30)
Single	5 (4.46)	7 (3.00)
Cerebral infarction location			2.15	0.341
Anterior circulation	52 (46.43)	124 (53.22)
Posterior circulation	38 (33.93)	76 (32.62)
Multiple	22 (19.64)	33 (14.16)
NIHSS score (points)	6 (3, 9)	4 (2, 7)	-3.624	< 0.001
BI (points)	65 (45, 80)	80 (60, 95)	-4.518	< 0.001
Assessment time (days)	42 (21, 78)	38 (18, 72)	-1.236	0.216
Comorbidities
Hypertension	71 (63.39)	134 (57.51)	1.103	0.294
Diabetes mellitus	48 (42.86)	72 (30.90)	4.762	0.029
Coronary heart disease	29 (25.89)	51 (21.89)	0.689	0.407

BI: Barthel Index; NIHSS: National Institutes of Health Stroke Scale; PSD: Post-stroke depression.