Effects of pericapsular nerve group block on early postoperative cognitive function in older people undergoing hip arthroplasty: a randomized controlled clinical trial

Table 5 Postoperative complications of the patients

	group P (n = 30)	group C (n = 30)	RR (95% CI)	P-value
Vascular puncture [n (%)]	0	0
LAST [n (%)]	0	0
PONV [n (%)]	11(36.7)	13 (43.3)	0.8 (0.5, 1.6)	0.598
Deep vein thrombosis [n (%)]	0	0
Respiratory depression [n (%)]	0	0

The data are represented as number (%)
PONV = postoperative nausea and vomiting; LAST = local anesthetic systemic toxicity
Categorical data were compared by chi-square (χ2) test

ISSN: 1471-2318