The Self-Fulfilling Prophecy of Episodic Memory Impairment in Mild Cognitive Impairment: Do Episodic Memory Deficits Identified at Classification Remain Evident When Later Examined with Different Memory Tests?
Table 2
Group differences in Age, Education, Estimated Premorbid FSIQ, DRS-2, and HADS scores.
Measure
a-MCI Mean (SD) 23
na-MCI Mean (SD) 25
a-MCI+ Mean (SD) 24
Control Mean (SD) 50
Post-hoc (at )
Effect size ()
Power
Age
70.61 (7.99)
70.60 (5.97)
69.29 (6.42)
72.66 (6.52)
0.201
0.038
0.404
Education
14.43 (3.16)
15.04 (3.54)
12.46 (3.45)
14.20 (3.74)
0.072
0.057
0.585
WTAR (est. FSIQ)
110.22 (5.42)
110.24 (4.97)
103.33 (7.99)
110.38 (5.76)
0.001
a-MCI+ < na-MCI, a-MCI, C
0.178
0.993
DRS-2 (AEMSS)
10.91 (2.17)
11.56 (1.89)
10.04 (1.97)
12.54 (2.14)
0.001
a-MCI+ < na-MCI, C; a-MCI < C
0.183
0.994
HADS A
5.39 (2.79)
5.00 (2.68)
6.88 (3.71)
4.72 (2.56)
0.028
Insufficient power
0.074
0.719
HADS D
3.04 (2.34)
2.52 (2.02)
3.38 (2.46)
2.72 (2.33)
0.558
0.017
0.193
WTAR: Wechsler Test of Adult Reading; est FSIQ: estimated Full Scale Intelligence Quotient; DRS-2: Dementia Rating Scale-2 (Age and Education corrected); HADS: Hospital Anxiety and Depression Scale (A: Anxiety score; D: Depression score); C: control.