Table 2.

Association of apathy with other clinical features (Spearman's correlation coefficient).

Clinical features	Spearman coefficient: rho	p-value
MMSE × AES	-0.63	0.01
MMSE × NPI-Apathy domain	-0.81	0.01
GDS × AES	-0.58	0.02
GDS × NPI-Apathy domain	-0.80	0.01
Cornell Depression × AES	0.49	0.06
Cornell Depression × NPI-apathy	0.57	0.02

GDS: Global Deterioration Scale; MMSE: Mini-Mental State Examination; AES: Apathy Evaluation Scale; NPI-Apathy: Neuropsychiatric Inventory apathy domain; Cornell Depression: Cornell Scale for Depression in Dementia.