AEP group
(n =16)

Control group
(n = 16)

p-value

0 minutes
15 minutes
30 minutes
45 minutes
60 minutes

 0 (0%)
2 (12.5%)
1 (6.25)
0 (0%)
0 (0%)

 5 (31.25%)
12 (75%)
12 (75%)
8 (50%)
4 (25%)

 < 0.01
< 0.001
< 0.001
< 0.001
< 0.03
(chi-square test)
Table 4: Postoperative alertness score. (Aldrete score, 0-10).