Comparative retrospective review of perioperative analgesia using ultrasound-guided programmed intermittent erector spinae plane block for video-assisted thoracoscopic lobectomy

Table 2 Comparison of perioperative cumulative opioid consumption, duration of first-time usage of PCIA, number of PCIA press as rescue analgesia and QoR-15 scores among three groups within 48 h after surgery

Outcome		Control group (n = 36)	CI group (n = 71)	PIB group (n = 73)	F/χ² value	P	Post-hoc analysis
Perioperative cumulative opioid consumption (expressed as IV MEQ) (mg, mean ± SD)		468.91 ± 79.84	339.68 ± 56.07	305.30 ± 51.35	37.348	< 0.001	PIB vs. control group: p < 0.001
							CI vs. control group: p < 0.001
							PIB vs. CI group: p = 0.028
Duration of first-time usage of PCIA (min, median [IQR])		35.52 ± 17.24	260.81 ± 63.89	312.80 ± 83.72	96.111	< 0.001	PIB vs. control group: p < 0.001
							CI vs. control group: p < 0.001
							PIB vs. CI group: p = 0.015
Number of PCIA press (median [IQR])		10 (8, 12)	4 (3, 5)	3 (2, 4)	26.40	< 0.001	PIB vs. control group: p < 0.001
							CI vs. control group: p < 0.001
							PIB vs. CI group: p = 0.031
QoR-15 scores	At baseline	143.02 ± 5.73	142.90 ± 5.25	143.20 ± 6.21	0.007	0.993	PIB vs. control group: p = 0.969
							CI vs. control group: p = 0.934
							PIB vs. CI group: p = 0.908
	At postoperative 48 h	73.30 ± 9.64	87.60 ± 13.28	91.80 ± 12.55	6.614	0.005	PIB vs. control group: p = 0.002
							CI vs. control group: p = 0.012
							PIB vs. CI group: p = 0.438

PCIA = patient controlled intravenous analgesia; IQR = interquartile range; SD = standard deviation; IV = intravenous; MME = morphine milligram equivalent; QoR = quality of recovery

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