Effects of anterior approach to quadratus lumborum block on postoperative cognitive function following hip surgery in older people: a randomized controlled clinical trial

Table 5 Time to first off-bed and postoperative complications of the patients

	QLB group (n = 28)	Control group (n = 29)	P	Cohen’s d/Odds ratio
Time to first off-bed from the end of surgery (h)	25.3 ± 5.3^#	29.7 ± 6.9	0.009	0.715
PONV	3 (10.7%)	4 (13.8%)	0.723	0.750
Urinary retention	2 (7.1%)	3 (10.3%)	0.669	0.641
Wound swelling	2 (7.1%)	1 (3.4%)	0.532	2.148
Deep vein thrombosis	0	0
Hematoma	0	0
LAST	0	0

The data are represented as the mean ± SD or number (%)
PONV = postoperative nausea and vomiting; LAST = local anesthetic systemic toxicity
Compared with group C, ^#P < 0.05. Continuous data were compared by Student’s t-test; categorical data were compared by Fisher’s exact test

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