Table 3.

Comparison of MMSE score between the CI group and the normal group in elderly patients with chronic diseases.

	CI group	Normal group	t	P
Total score	25.970±1.455	28.510±1.100	−18.738	<0.001
Directive force	7.057±1.641	8.581±1.105	−10.272	<0.001
Immediate memory	2.990±0.078	2.990±0.095	0.316	0.752
Calculating ability	4.910±0.281	4.970±0.175	−2.178	0.030
Delayed memory	2.560±0.497	3.000±0.067	−10.992	<0.001
Naming	1.990±0.078	2.000±0.067	−0.219	0.827
Retelling	0.990±0.078	0.990±0.095	0.316	0.752
Reading comprehension	3.670±0.072	3.990±0.095	−0.907	<0.001
Writing	0.784±0.910	1.000±0.000	−8.918	<0.001
Visual-spatial ability	0.784±0.910	1.000±0.000	−8.918	<0.001

CI – cognitive impairment; MMSE – Mini-mental State Examination.