Pain management after ambulatory surgery: a prospective, multicenter, randomized, double-blinded parallel controlled trial comparing nalbuphine and tramadol

Table 2 Types of surgery, n (%)^a

	Total, n	Breast	Thyroid	Hysteroscopy	LC	Others
Group E	209	27 (12.9)	41 (19.6)	39 (18.7)	91 (43.5)	11 (5.3)
Group C	228	26 (11.4)	45 (19.7)	44 (19.3)	106 (46.5)	7 (3.1)

^aReported as n (%), unless indicated otherwise. Group E was treated with nalbuphine hydrochloride diluted with saline to 1 mg/L. Group C was administered tramadol hydrochloride diluted with saline to 10 mg/L. Other surgeries included: lumbar disc exploration, laparoscopic gastric perforation repair, endoscopic sinus surgery, surgical removal of internal fixation of fractured bones.LC, laparoscopic cholecystectomy

ISSN: 1471-2253