Table 2 Perioperative cognition of two groups of patients (n = 64)

MMSE

TEAS group

24.69±1.87

24.88±2.52*

Sham TEAS group

25.22±1.81

23.38±2.03^#

Orientation

TEAS group

9.16±0.68

9.00±0.72*

Sham TEAS group

9.13±0.71

8.66±0.65^#

Memory

TEAS group

2.91±0.30

2.88±0.34*

Sham TEAS group

2.88±0.34

2.56±0.67^#

Attention and calculation

TEAS group

3.81±1.18

3.78±1.10

Sham TEAS group

4.00±1.05

3.75±1.08

Short term recall

TEAS group

2.19±0.47

2.41±0.50*

Sham TEAS group

2.38±0.49

2.06±0.72^#

Language

TEAS group

6.63±1.34

6.81±1.42

Sham TEAS group

6.84±1.37

6.41±0.91

Incidence of POCD

TEAS group

-

21.88%

Sham TEAS group

-

40.63%