Table 3. Adverse event rate and risk factors for adverse events in research and non-research circumcisions.

	Research Infants (active follow-up) n = 308					Non-research Infants (passive follow-up) n = 931					Combined N = 1,239
AE rate (reviewed post-op)	7/294 (2.4%; 95%CI: 0.6, 4.1)					11/384 (2.9%; 95%CI: 1.2, 4.5)					18/678 (2.7%; 95%CI: 1.4, 3.9)
AE rate (all procedures)	7/308 (2.3%; 95%CI: 0.6, 3.9)					11/931 (1.2%; 95%CI: 0.5, 1.9)					18/1239 (1.5%; 95%CI: 0.8, 2.1)
	AEs	IMCs	%	OR	p	AEs	IMCs	%	OR	p	AEs	IMCs	%	OR	p
Provider type				0.80	0.79				0.97	0.96				0.97	0.96
Nurse	5	233	2.1			7	590	1.2			12	823	1.5
Clinical Officer	2	75	2.7			4	326	1.2			6	401	1.5
Experience level				2.46	0.25				1.15	0.84				1.56	0.38
<10 procedures	3	73	4.1			3	221	1.4			6	294	2.0
10+ procedures	4	234	1.7			8	674	1.2			12	908	1.3
Baby's age				2.72	0.20				3.27	0.06				3.20	0.02
Age 30+ days	3	68	4.4			4	137	2.9			7	205	3.4
Age <30 days	4	240	1.7			7	767	0.9			11	1,007	1.1

AE, adverse event; CI, confidence interval; IMC, infant male circumcision; OR, odds ratio.