Day of operation Mean (SD) ml/day POD 1 Mean (SD) ml/day POD 2 Mean (SD) ml/day POD 3 Mean (SD) ml/day POD 4 Mean (SD) ml/day POD 5 Mean (SD) ml/day
Intravenous supply
Placebo
Nutrition

6388 (2136)
6423 (2413)

2222 (1116)
1868 (1174)

1725 (1045)
1314 (1037)

1001 (972)
1084 (1084)

550 (963)
648 (1345)

739 (1330)
396 (1205)
Extra water
Placebo
Nutrition

80 (196)
171 (438)

436 (534)
631 (712)

540 (649)
544 (704)

575 (551)
565 (872)

513 (655)
433 (588)

409 (939)
247 (541)
Product
Placebo
Nutrition

583 (74)
571 (114)

964 (92)
837 (319)

1196 (442)
986 (473)

1005 (699)
810 (638)

755 (595)
591 (590)

93 (271)
203 (405)
Total supply
Placebo
Nutrition

7057 (2066)
7195 (2392)

3658 (1352)
3361 (1338)

3572 (1133)
2962 (962)

2694 (1092)
2514 (1289)

1908 (881)
1818 (1364)

1278 (1516)
937 (1455)
†p<0.05 comparison between groups (univariate F test)
Table 2: Information of supply from the day of operation to postoperative day 1-5.