Table 4.

Olfactory functions of AD-A^a and AD-NA^b groups

	AD-A group (60 cases)	AD-NA group (64 cases)	P value
THRc [points, median (quartile)]	4.0(2.0 ~ 6.0)	5.0(3.0 ~ 6.0)	0.274
DISd [points, median (quartile)]	8.0(4.5 ~ 10.0)	8.0(6.0 ~ 11.0)	0.081
IDe [points, median (quartile)]	8.0(5.0 ~ 10.5)	9.0(7.0 ~ 12.3)	0.068
TDIf[scores, median (quartile)]	21.0(14.0 ~ 25.0)	22.0(17.8 ~ 29.0)	0.074

*P < 0.002 after Bonferroni correction, ^aAD-A Alzheimer disease with apathy, ^bAD-NA Alzheimer disease with no apathy, ^cOlfactory Threshold, ^dOlfactory Discrimination, ^eOlfactory Identification, ^fSum of olfactory threshold, discrimination and identification