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Retrospective Study
©The Author(s) 2026.
World J Psychiatry. Jan 19, 2026; 16(1): 113104
Published online Jan 19, 2026. doi: 10.5498/wjp.v16.i1.113104
Table 5 Neuroimaging findings
Neuroimaging feature
PSD group (n = 46)
Non-PSD group (n = 66)
P value
Infarct volume (cm³)8.7 ± 2.55.3 ± 1.80.003
White matter hyperintensities (WMH)
Fazekas score (periventricular)2.0 ± 0.51.0 ± 0.30.012
Fazekas score (deep white matter)2.0 ± 0.41.0 ± 0.30.008
Brain atrophy
Frontal lobe atrophy (%)25.0 ± 5.010.6 ± 3.00.017
Global brain atrophy (%)45.7 ± 7.033.3 ± 6.00.086
Apparent diffusion coefficient (ADC)0.82 ± 0.10 × 10-3 mm2/second0.89 ± 0.12 × 10-3 mm2/second0.045
Dynamic contrast-enhanced MRI parameters
Wash-in rate (WIR)50.33 ± 5.0 seconds-145.00 ± 4.5 seconds-10.038
Time to peak (TTP)120 ± 10 seconds110 ± 8 seconds0.027
Wash-out rate (WOR)30.00 ± 3.5 seconds-125.00 ± 3.0 seconds-10.042


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