[Retracted] Clinical Application of Perioperative Anaesthesia Management Based on Enhanced Recovery after Surgery Concept to Elderly Patients Undergoing Total Knee Replacement

Table 2

Comparison of patients’ postoperative pain scores (x ± s, points).

Group	SG (n = 50)	RG (n = 50)	t
Preoperative	4.56 ± 1.17	4.50 ± 1.25	0.248	0.805
Postoperative 12 h	1.46 ± 0.67	1.84 ± 0.76	2.652	0.009
Postoperative 24 h	2.00 ± 0.45	2.86 ± 0.75	6.953	<0.001