Table 1.

Perioperative management pathway of non-ERAS group and ERAS group

	Non-ERAS	ERAS	Compliance
Preadmission	No intervention	1. Education on smoking and excessive drinking cessation; available counseling services at any time; appropriate optimization of chronic disease in outpatient and inpatient settings; nutritional assessment and support	98.3%
Preoperative	Not standardized	2. Informing patients and relatives about risk and discomfort related to procedure in greater detail; ensuring that patients learn and understand ERAS pathway	99.0%
	Route preparation	3. Avoiding mechanical bowel preparation and use of gastric tube	99.4%
	No intervention	4. Drinking oral carbohydrate beverage 2 h before surgery; no prolonged fasting	97.7%
	No intervention	5. Oral administration of 150 mg of Pregabalin	97.1%
Intraoperative	No intervention	6. Infiltration of local anesthesia with a mixture of 10 ml 2% lidocaine and 10 ml 1% ropivacaine into the musculature prior to incision and after skin closure	99.4%
	Antibiotic prophylaxis within 1 h of incision	7. Antibiotic prophylaxis within 1 h of incision	100%
	Not standardized	8. Intravenous infusion of tranexamic acid	98.1%
	Not standardized	9. Maintenance of normothermia; maintaining fluid balance	100%
Postoperative	Intake of fluid on POD1	10. Early intake of fluid on the day of surgery(after recovery from anesthesia)	81.1%
	Not standardized	11. Ealy function rehabilitation on the day of surgery and ambulate on POD1	70.7%
	Not standardized	12. Postoperative prophylaxis against thrombosis and postoperative nausea and vomiting	94.5%
	Not standardized	13. Removal of urinary catheters on the day of surgery and removal of drain tube on POD 2	72.6%
	No intervention	14. Multimodal analgesia and opioid-sparing analgesia	100%
	No intervention	15. Intake of oral nutrition powder for every meal	98.1%
	Route postoperative antimicrobial prophylaxis	16. Route postoperative antimicrobial prophylaxis	100%

POD1: postoperative day 1; POD2: postoperative day 2