Table 4.

Intragroup comparisons of the pretreatment and post-treatment evaluations. Direct scores (mean [standard deviation]), level of significance, and effect size.

	Study group				Control group
	Pretreatment	Post-treatment	p	r	Pretreatment	Post-treatment	p	r
Orientation to person	7 (0)	7 (0)	1	0	7 (0)	7 (0)	1	0
Orientation to space	5 (0)	5 (0)	1	0	5 (0)	5 (0)	1	0
Orientation to time	22.98 (0.14)	23 (0)	.157	0.10	22.97 (0.17)	23 (0)	.317	0.12
Forward digit span	5.79 (1.06)	6.13 (1.18)	.003	0.22	5.75 (1.19)	5.91 (1.14)	.025	0.28
Backward digit span	4.31 (1.05)	4.77 (1.13)	< .001	0.30	4.34 (0.86)	4.37 (0.90)	.564	0.07
RAVLT-learning	41.29 (10.11)	49.30 (9.38)	< .001	0.51	45 (8.06)	46.19 (7.71)	.017	0.30
RAVLT-recall	7.69 (2.59)	10.18 (2.73)	< .001	0.51	9.22 (2.74)	9.56 (2.53)	.200	0.16
RAVLT-recognition	11.69 (2.79)	13.21 (2.62)	< .001	0.38	12.5 (3.19)	13.13 (2.79)	.032	0.27
Verbal fluency	35.86 (11.35)	42.86 (12.65)	< .001	0.48	41.59 (14.65)	42.78 (14.70)	.280	0.19
HADS-anxiety	9.28 (4.33)	7.84 (4.24)	< .001	0.28	8.66 (5.72)	8.03 (5.88)	.137	0.19
HADS-depression	8.72 (3.78)	6.8 (4.48)	< .001	0.32	8.19 (5)	7.1 (5.37)	.040	0.26

HADS: Hospital Anxiety and Depression Scale; RAVLT: Rey Auditory Verbal Learning Test.

P-values < .05 are shown in bold.

Direct scores -mean (standard deviation)-, significance level (p) and effect size (r).