Analgesic efficacy of an opioid-free postoperative pain management strategy versus a conventional opioid-based strategy following laparoscopic radical gastrectomy: an open-label, randomized, controlled, non-inferiority trial

Table 2 The primary outcomes, mean (SD), score

Characteristic	C-STAPB group (n = 46)	Conventional group (n = 49)	Difference (95% CI)	P value
AUC at rest
PACU-24 h	26.61 ± 9.77	25.22 ± 7.84	1.38 (− 2.21, 4.98)	0.447
PACU-48 h	36.00 ± 20.08	34.78 ± 16.29	1.22 (− 6.20, 8.65)	0.744
AUC at movement
PACU-24 h	51.39 ± 16.13	48.49 ± 16.05	2.90 (− 3.65, 9.46)	0.382
PACU-48 h	86.61 ± 21.75	82.29 ± 21.35	4.32 (− 4.46, 13.10)	0.331

C-STAPB continuous transversus abdominis plane block, CI confidence interval, AUC area under the curve, PACU post-anesthesia care unit

ISSN: 1477-7819