Sublingual Sufentanil vs. Intravenous Fentanyl for the Treatment of Acute Postoperative Pain in the Ambulatory Surgery Center: A Randomized Clinical Trial

Table 2

Surgical subspecialties enrolled in the study.

Surgical subspecialty	Fentanyl N (%) N = 40	Sublingual sufentanil N (%) N = 35
General surgery	2 (5.0%)	1 (2.9%)
Minimally invasive	1 (2.5%)	2 (5.7%)
Oculoplastic	1 (2.5%)	1 (2.9%)
Ophthalmology	1 (2.5%)	0 (0%)
Orthopedics	17 (42.5%)	19 (54.3%)
Otolaryngology	7 (17.5%)	6 (17.1%)
Plastics	6 (15.0%)	3 (8.6%)
Surgical oncology	1 (2.5%)	1 (2.9%)
Urology	4 (10.0%)	2 (5.7%)

N: number, (a). -value compares sublingual sufentanil vs. IV fentanyl, (b). Mann–Whitney nonparametric U test was used to compare medians and chi-squared test was used to compare proportions.