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Retrospective Study
Copyright: ©Author(s) 2026.
World J Psychiatry. Sep 19, 2026; 16(9): 120517
Published online Sep 19, 2026. doi: 10.5498/wjp.120517
Table 1 Demographic and clinical characteristics of study participants, mean ± SD/n (%)
Characteristic
PSD group (n = 68)
Non-PSD group (n = 88)
P value
Age (years)63.8 ± 11.565.7 ± 12.30.328
Female39 (57.4)33 (37.5)0.012
BMI (kg/m2)24.6 ± 3.224.1 ± 3.50.371
Education level0.358
    Primary or below30 (44.1)33 (37.5)
    Secondary26 (38.2)36 (40.9)
    College or above12 (17.6)19 (21.6)
Married55 (80.9)76 (86.4)0.348
Urban residence38 (55.9)50 (56.8)0.905
Employed28 (41.2)42 (47.7)0.408
Comorbidities
    Hypertension46 (67.6)54 (61.4)0.414
    Diabetes mellitus20 (29.4)22 (25.0)0.539
    Hyperlipidemia22 (32.4)25 (28.4)0.588
    Coronary heart disease12 (17.6)13 (14.8)0.626
    Atrial fibrillation9 (13.2)10 (11.4)0.719
    Previous stroke11 (16.2)9 (10.2)0.265
Psychiatric history13 (19.1)5 (5.7)0.007
Family psychiatric history8 (11.8)4 (4.5)0.085
Smoking20 (29.4)24 (27.3)0.766
Alcohol use14 (20.6)15 (17.0)0.570
SSRS score30.8 ± 7.539.2 ± 8.8< 0.001


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