Clinical Study

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

Age70.61 (7.99)70.60 (5.97)69.29 (6.42)72.66 (6.52)0.2010.038 0.404
Education14.43 (3.16)15.04 (3.54)12.46 (3.45)14.20 (3.74)0.0720.0570.585
WTAR
(est. FSIQ)
110.22 (5.42)110.24 (4.97)103.33 (7.99)110.38 (5.76) 0.001a-MCI+ < na-MCI, a-MCI, C0.1780.993
DRS-2
(AEMSS)
10.91 (2.17)11.56 (1.89)10.04 (1.97)12.54 (2.14) 0.001a-MCI+ < na-MCI, C; a-MCI < C0.1830.994
HADS A5.39 (2.79)5.00 (2.68)6.88 (3.71)4.72 (2.56)0.028Insufficient power 0.0740.719
HADS D3.04 (2.34)2.52 (2.02)3.38 (2.46)2.72 (2.33)0.5580.0170.193

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.