Table 3 Effect size and study power analysis of memory performance measures, global cognitive function and mood, in trials of cognitive exercises in mild cognitive impairment (MCI)

Gunther et al 2003

UCT

Repeat sentence T1

.46 (-.18, 1.11)

No

Single

Yes

Yes

Repeat sentences T2

.17 (-.50, .83)

No

group

Yes

CVLT list immediate T1

.80 (.14, 1.47)

Yes

Yes

CVLT list immediate T2

.35 (-3.2, 1.02)

No

Yes

CVLT Word lists delay T1

1.21 (-.52, 1.91)

Yes

Yes

CVLT Wordlist delay T2

.45 (-.22, 1.12)

No

Yes

Olazaran et al 2004

RCT

ADAS-Cog

.84 (-.53, 2.21)

Yes

.30

No

Yes

MMSE

-.10 (-1.43, 1.23)

No

.06

No

GDS^

-.33 (-1.23, 1.17)

No

.05

No

Cipriani et al 2006

UCT

MMSE

.50 (-.39, 1.39)

Yes

Single

No

Yes

RBMT

.64 (-.26, 1.54)

Yes

group

Yes

GDS^

-.33 (-1.21,.55)

No

Yes

Rozzini et al 2007

RCT

Story recall vs C1

.99 (.29, 1.68)

Yes

.52

Yes

Yes

Story recall vs C2

.82 (.14, 1.50)

Yes

.77

Yes

MMSE vs C1

-.37 (-1.04, .29)

No

.19

No

MMSE vs C2

-.58 (-1.25, .09)

Yes

.52

No

NPI^ vs C1

-.82 (-1.5, -.14)

Yes

.77

Yes

NPI^ vs C2

-.64 (-1.31, -.14)

Yes

.92

Yes

GDS^ vs C1

-.26 (-.92, 1.29)

No

.45

No

GDS^ vs C2

-.52 (-1.18, 15)

Yes

.54

No

Talassi et al 2007

NRCT

MMSE

.07(-.76, .89)

No

.14

No

No

Episodic immediate

.10(-.73, .92)

No

.12

No

Episodic delay

.14 (-.96, .68)

No

.09

No

GDS^

-.35(-1.18, .47)

No

.20

Yes

Barnes et al 2009

RCT

RBANS total

0.33 (-.26, -0.92)

No

.29

Yes

RBANS immediate memory

.38 (-.21,-0.96)

No

.35

RBANS delay memory

.53 (-.05, -1.10)

Yes

.55

GDS^

No data