Comparison of demographic data, NPI and ADAS-cog scores between Non-Mild WMH group and Moderate-Severe WMH group.

Table 3: Comparison of demographic data, NPI and ADAS-cog scores between Non-Mild WMH group and Moderate-Severe WMH group.

Parameter		Non-Mild WMH (n = 14)	Moderate-Severe WMH (n = 23)	*X²/t*	df	p
Age(y)		71.28 ± 12.47	78.70 ± 6.10	-2.077^a	16.854	0.053
Gender	Male	5	10	0.218	1	0.641
Gender	Female	9	13
Education(y)		7.00 ± 4.14	8.74 ± 5.28	-1.022	34	0.314
Course(m)		38.58 ± 23.48	52.57 ± 28.40	-1.445	31	0.159
CDR		1.68 ± 0.77	2.44 ± 0.51	-3.598	35	0.001^*
NPI score		24.62 ± 12.55	41.39 ± 15.63	-3.308	34	0.002^*
ADAS-cog score		36.43 ± 20.42	46.63 ± 15.53	-1.173	15	0.259

Notes: ^aLevene's Test for Equality of Variances (Age): F = 10.611, p = 0.021 (p < 0.05); ^*p-value indicates significant within the two study groups (Independent-samples t- test); ^*^*p-value indicates significant within the two study groups (Chi-square test). p < 0.05; Abbreviation: ADAS-cog: Alzheimer's Disease Assessment Scale-Cognitive Subscale; NPI: Neuropsychiatric Inventory; CDR: Clinical Dementia Rating Scale; WMH: Cerebral White Matter Hyperintensity; df: Degree of Freedom.