Table 3.

Spearman correlation analyses between apathy and related factors in Alzheimer disease patients

Factors	Coefficient	P value
Age [year, mean ± SD]	−0.057	0.530
Disease duration [year, median (quartile)]	0.113	0.220
Global cognitive function
MMSEa [points, median (quartile)]	− 0.516	0.000*
Memory
AVLTb− Immediate recall [points, median (quartile)]	−0.346	0.000*
AVLT- Short-delayed recall [points, median (quartile)]	−0.328	0.001*
AVLT- Long-delayed recall [points, median (quartile)]	−0.270	0.005*
Attention
SDMTc [points, median (quartile)]	−0.185	0.184
TMTd-A-time consuming [seconds, median (quartile)]	−0.042	0.752
Executive function/attention
SCWTe- correct number [points, median (quartile)]	−0.126	0.354
TMT-B- time consuming [seconds, median (quartile)]	−0.123	0.361
Language
AFTf (points, mean ± SD)	−0.453	0.000*
Visuospatial function
CFTg-Copy [points, median (quartile)]	−0.176	0.129
Neuropsychiatric symptoms
HAMDh [points, median (quartile)]	0.115	0.365
HAMAi [points, median (quartile)]	0.128	0.314
CMAIj [points, median (quartile)]	−0.096	0.450
Activities of daily living
BADLk [points, median (quartile)]	0.415	0.000*
IADLl [points, median (quartile)]	0.444	0.000*

*P < 0.05, ^aMini-Mental State Examination, ^bAVLT Auditory Verbal Learning Test, ^cSDMT Symbol Digit Modalities Test, ^dTMT Trial Making Test, ^eSCWT Stroop Color Word Test, ^fAFT Animal Fluency Test, ^gCFT Complex Figure Test, ^hHAMD Hamilton Depression Scale, ⁱHAMA Hamilton Anxiety Scale, ^jCMAI Cohen- Mansfield Agitation Inventory, ^kBasic Activity of Daily Living, ^lInstrucmental Activity of Daily Living