Group I n (50)

Group II n (50)

Age

39.85 ± 13.34

36.93 ± 15.04

Gender

Males: 19 (38%)

Males: 25 (50%)

Females: 31 (62%)

Females: 25 (50%)

ASA

I

16 (32%)

21 (42%)

II

34 (68%)

24 (48%)

Type of surgery

・ Cancer stomach

12 (24%)

10 (20%)

・ Wipple surgery

10 (20%)

8 (16%)

・ Cancer colon

23 (46%)

25 (50%)

・ Hepatic resection

5 (10%)

7 (14%)

Duration of operation in hours

4.3 ± 2.1

4.8 ± 1.8