Nhom nghien cuu (N=32)	Nhom chung (N=32)	P-value
Phan do MMSE
11-20	18 (56.3%)	17 (53.1%)	0.557
21-25	13 (40.6%)	15 (46.9%)
26-29	1 (3.1%)	0 (0%)
MMSE Dinh huong
Mean (SD)	6.19 (2.60)	5.56 (2.97)	0.374
Median [Min, Max]	7.00 [1.00, 10.0]	6.00 [1.00, 10.0]
MMSE Tri nho
Mean (SD)	3.97 (1.15)	3.91 (1.28)	0.838
Median [Min, Max]	4.00 [0, 6.00]	4.00 [0, 6.00]
MMSE Chu y va Tinh toan
Mean (SD)	3.66 (1.07)	3.59 (1.16)	0.823
Median [Min, Max]	4.00 [0, 5.00]	4.00 [0, 5.00]
MMSE Ngon Ngu
Mean (SD)	5.44 (1.64)	5.28 (1.53)	0.695
Median [Min, Max]	6.00 [1.00, 8.00]	5.00 [0, 8.00]
MMSE Thi Giac khong gian
Mean (SD)	0.813 (0.397)	0.688 (0.471)	0.255
Median [Min, Max]	1.00 [0, 1.00]	1.00 [0, 1.00]