AEP group
(n =16)

 Control group
(n = 16)

p-value
MMSE Day 1 after anesthesia

CAM Day 1 after anesthesia

CFQ 1 month after anesthesia

1 (6%)

0

0

7 (43%)

2(12.5%)

0

 < 0.03

0.48
(Fischer exact chi-square test)
Table 3: MMSE below 25 points. (0-30 points.), CAM, CFQ (modified).