Table 2.

The levels of cognitive function between patients and healthy controls

Variables	patients		controls	t	P
Immediate Memory	75.00 ± 17.58	89.58 ± 14.93		-3.977a	<0.001**
Visuospatial	86.18 ± 16.96	99.23 ± 16.14		-3.526a	<0.001**
Language	85.68 ± 10.46	98.00 ± 8.67		-5.739a	<0.001**
Attention	86.65 ± 14.89	109.35 ± 13.15		-7.228a	<0.001**
Delayed Memory	84.88 ± 17.91	97.85 ± 12.09		-3.797a	<0.001**
RBANS total score	78.95 ± 13.01	98.18 ± 12.12		-6.837a	<0.001**

RBANS: Repeatable Battery for the Assessment of Neuropsychological Status;

^a: ANCOVA test

*: P<0.05;**:P<0.001;