Table 2.

A comparison between AD groups and healthy controls, and correlations between emotional expression and cognitive functions.

Group	Values	Yesterday (controls = 19, AD = 21)	Week (controls = 19, AD = 17)	Month (controls = 18, AD = 8)	Remote (controls = 19, AD = 20)
Controls	Mean + SD	9.73 (±3.42)	10.05 (+3.53)	10.00 (+4.36)	13.15 (+2.65)
	Median	1	1	1	2
	25–75%	1–1.5	1–2	1–2	1.5–2
AD	Mean + SD	4.14 (±2.55)	5.52 (+4.75)	5.37 (+2.38)	8.15 (+3.54)
	Median	0	0	0.75	1
	25–75%	0–1	0–1	0.5–1	1–1
K-DRS	Group	Mean (±SD)	Recent memory		Remote memory
			Spearman r	p	Spearman r	p
CORRELATIONS BETWEEN EE AND COGNITIVE FUNCTIONS
Attention	Controls	35.68 (±0.88)*	0.491**	0.001	0.412**	0.009
	AD	33.95 (±2.63)
Initiation/perseveration	Controls	33.73 (±3.39)	0.452**	0.003	0.295	0.068
	AD	31.42 (±5.08)
Construction	Controls	5.89 (±0.315)*	0.330*	0.037	0.379*	0.017
	AD	5.05 (±1.49)
Conceptualization	Controls	36.73 (±1.72)**	0.412**	0.008	0.437**	0.005
	AD	33.85 (±3.96)
Memory	Controls	23.47 (±1.54)**	0.700**	0.000	0.635**	0.000
	AD	16.95 (±3.52)
Total	Controls	135.52 (±4.91)**	0.672**	0.000	0.459**	0.003
	AD	121.28 (±9.74)
MMSE-K	Controls	27.89 (±1.28)**
	AD	23.19 (±3.62)

Comment: correlative analysis was done in overall groups, *p < 0.05, **p < 0.01.