Opioid-free anesthesia compared to opioid anesthesia for laparoscopic radical colectomy with pain threshold index monitoring: a randomized controlled study

Table 3 Comparison of VAS, number of PCA press and rescue analgesia consumption

Variable	Group	n	PO 24 h	PO 48 h	PO 72 h
VAS at rest (SD)	OA	50	1.7 (0.2)	1.8 (0.2)	1.8 (0.2)
	OFA	51	1.9 (0.2)	1.7 (0.1)	2.0 (0.2)
	P		0.36	0.59	0.36
VAS on coughing (SD)	OA	50	4.0 (0.3)	4.0 (0.3)	4.5 (0.2)
	OFA	51	4.5 (0.2)	4.3 (0.2)	4.9 (0.3)
	P		0.13	0.38	0.30
Number of PCA presses (IQR)	OA	50	0 (0–1)	0	0
	OFA	51	0 (0–2)	0	0
	P		0.671	-	-
Rescue analgesia consumption, (SD), mg	OA	50	140.0 (99.0)	138.0 (99.0)	144.0 (88.4)
	OFA	51	96.1 (91.6)	102.0 (96.9)	98.0 (95.0)
	P		0.021	0.066	0.021

PO Post operation, VAS Visual analogue scale, OA Opioid anesthesia, OFA Opioid-free anesthesia, PCA Patient control analgesia
Data are presented as relative number of patients, mean ± standard deviation (SD), median (IQR)
With unpaired Student’s t-test and Wilcoxon rank-sum test

ISSN: 1471-2253