Table 2.

Mean and standard deviation of Montreal Cognitive Test score in both groups before and after intervention

Variables	Time	Groups		P*
		Memantine	Donepezil
Visuospatial/executive	Before	3.58±1.58	3.77±1.33	0.59*
	After	3.97±1.13	3.84±1.01	0.91*
	Difference	0.39±0.45	0.07±0.33	0.08*
	P	0.017**	0.78**
Naming	Before	2.97±0.17	2.84±0.37	0.07*
	After	2.79±0.6	2.71±0.46	0.083*
	Difference	−0.18±0.43	−0.13±0.09	0.10*
	P	0.06**	0.21**
Attention	Before	5.42±0.75	5.13±0.81	0.6*
	After	4.64±1.19	4.97±0.87	0.28*
	Difference	−0.78±0.44	−0.16±0.06	0.09*
	P	<0.001**	0.39**
Language	Before	2.55±0.56	2.68±0.48	0.32*
	After	2.85±0.36	2.65±0.61	0.11*
	Difference	0.3±0.2	−0.03±0.13	0.04*
	P	0.002**	0.77**
Abstraction	Before	1.48±0.51	1.32±0.6	0.25*
	After	1.73±0.52	1.61±0.56	0.71*
	Difference	0.25±0.01	0.29±0.04	0.31*
	P	0.073**	0.037**
Delayed recall	Before	3.52±1.2	3.45±0.99	0.68*
	After	2.79±1.11	3.13±0.99	0.82*
	Difference	−0.73±0.09	−0.32	0.12*
	P	<0.001**	0.12**
Orientation to time and place	Before	5.55±0.62	5.42±0.85	0.5*
	After	5.82±0.46	5.45±0.77	0.023*
	Difference	0.27±0.16	0.03±0.08	0.04*
	P	0.018**	0.28**
Total score	Before	23.55±3.67	23.87±3.18	0.71*
	After	26.09±2.5	24.35±2.17	0.004*
	Difference	2.54±1.17	0.48±1.01	0.001*
	P	<0.001**	0.38**

*Significant level of difference between the two groups before and after intervention by t-test, **Significant level of difference before and after intervention in each group in terms of t-paired test