Table 2. Comparison of perioperative parameters between NAC/IDS and PDS groups.

Parameters	NAC	PDS	P
Estimated blood loss (mL)	415.0	729.7	0.014
Transfusion (U)	1.87	2.97	0.033
Operation time (min)	168.7	181.7	0.486
Nasogastric intubation (%)	13.3	43.2	0.008
Total parenteral nutrition (d)	0.47	1.54	0.016
Ambulation post-operation (d)	1.57	2.65	0.001
Abnormal temperature (d)	2.97	3.70	0.250
Recovery of intestinal function (d)	3.0	3.5	0.031