. 2020 Feb 27;15(2):e0228805. doi: 10.1371/journal.pone.0228805

Table 4. Influence of postoperative complications in patient-perceived quality of postoperative recovery, as assessed using QoR-40.

		n	Median	Minimum score	Maximum score	p
Total	QoR-40	121	188	128	200
Pain in PACU	NRS ≤3	77	189	128	200	0.007^a
Pain in PACU	NRS >3	44	185	145	200	0.007^a
Pain in the first 24 hours	NRS ≤3	66	189	128	200	0.009^a
Pain in the first 24 hours	NRS >3	55	186	145	200	0.009^a
PONV in PACU	No	110	188	128	200	0.281^a
PONV in PACU	Yes	11	186	153	195	0.281^a
PONV in the first 24 hours^b	No	111	189	128	200	0.000^a
PONV in the first 24 hours^b	Yes	10	169	146	192	0.000^a
Temperature (°C)^c	≥36	65	190	160	200	0.159^a
Temperature (°C)^c	<36	56	187	128	200	0.159^a

^aMann–Whitney test

^bPONV in the first 24 hours was calculated as the sum of the answers related to the presence of nausea, vomiting, and vomiting without residues in the QoR-40

^cTemperature upon awakening from anesthesia.

Abbreviations: n, number of cases; NRS, numeric rating scale; PACU, postanesthesia care unit; PONV, postoperative nausea and vomiting; QoR-40, Quality of Recovery-40.