[Retracted] Early Postoperative Pain Control and Inflammation for Total Knee Arthroplasty: A Retrospective Comparison of Continuous Adductor Canal Block versus Single-Shot Adductor Canal Block Combined with Patient-Controlled Intravenous Analgesia

Table 2

Secondary outcomes.

Characteristic	Group A (n = 78)	Group B (n = 78)	value
Postoperative first ambulation time (h)	20.8 ± 4.1	20.3 ± 3.9	0.448
Patient-controlled bolus (times)	4.3 ± 1.6	3.1 ± 1.3	≤0.001
Postoperative hospital stay (d)	5.8 ± 1.6	4.7 ± 1.5	≤0.001
Total hospital stay (d)	10.4 ± 2.6	9.6 ± 2.8	0.058
Total hospital cost (RMB)	60496.1 ± 8481.4	56464.9 ± 6045.7	0.001^#
NRS satisfaction scores at discharge	9.46 ± 0.27	9.66 ± 0.17	≤0.001

Note. Values are presented as mean ± SD. PCA = patient-controlled analgesia; NRS = Numerical Rating Scale.; ^#.