Table 2.

Comparison pre and post-test between training and control group.

Variable	Group	Time	Descriptive Statistics
			Mean	SD	Minimum	Median	Maximum	p-value
Orientation and attention	Training	Pre-test	16.09	1.97	8.00	17.00	18.00	0.006
		Post-test	16.52	2.12	7.00	17.00	18.00
	Control	Pre-test	15.86	2.21	8.00	16.50	18.00	0.272
		Post-test	16.13	2.00	11.00	16.00	18.00
Memory	Training	Pre-test	19.59	4.79	4.00	20.00	26.00	0.991
		Post-test	19.80	4.72	4.00	20.00	26.00
	Control	Pre-test	18.14	5.19	8.00	19.00	26.00	0.241
		Post-test	18.87	4.88	11.00	19.00	25.00
Fluency	Training	Pre-test	8.97	2.78	3.00	9.00	14.00	0.047
		Post-test	9.72	2.64	4.00	10.00	14.00
	Control	Pre-test	8.68	2.36	3.00	9.00	12.00	1.000
		Post-test	9.40	2.29	6.00	9.00	14.00
Language	Training	Pre-test	23.10	2.95	12.00	24.00	26.00	0.005
		Post-test	24.08	2.13	15.00	25.00	26.00
	Control	Pre-test	22.27	4.10	11.00	24.00	26.00	0.008
		Post-test	24.00	2.73	17.00	25.00	26.00
Visuo-spatial skills	Training	Pre-test	13.79	2.08	8.00	14.00	19.00	0.019
		Post-test	14.52	1.96	6.00	15.00	16.00
	Control	Pre-test	13.45	2.58	8.00	13.50	16.00	0.784
		Post-test	14.00	1.77	9.00	14.00	16.00
MMSE	Training	Pre-test	26.26	2.98	11.00	27.00	30.00	0.017
		Post-test	27.07	2.73	13.00	28.00	30.00
	Control	Pre-test	26.18	3.69	12.00	27.00	30.00	0.826
		Post-test	26.33	2.55	19.00	27.00	29.00
ACE-R/ Total	Training	Pre-test	81.55	11.67	37.00	84.00	99.00	0.004
		Post-test	84.68	10.41	43.00	86.00	98.00
	Control	Pre-test	78.41	12.62	44.00	81.00	94.00	0.060
		Post-test	82.40	10.47	57.00	86.00	97.00

* Wilcoxon test for related or paired samples. ** ACE-R: Addenbrooke's Cognitive Examination-Revised. MMSE: Mini-Mental State Examination.