Analgesic efficacy of postoperative bilateral, ultrasound-guided, posterior transversus abdominis plane block for laparoscopic colorectal cancer surgery: a randomized, prospective, controlled study

Table 3 Comparison of postoperative side effects between the groups

Side effects	Group TAP (n = 40)	Group Control (n = 42)	P value
Nausea	11/40	32/42	<0.001
Vomiting	3/40	17/42	<0.001
Pruritus	0/40	0/42	/
Sedation	0/40	0/42	/
Respiratory depression	0/40	0/42	/

Note: Data are presented as the number of case. Group TAP = transversus abdominis plane block

ISSN: 1471-2253