Table 2. Adverse events in different surgical specialties: Deaths, injuries, malfunctions, procedure conversion or rescheduling, common types of surgery.

	No. (%) [95% Confidence Interval]
	Gynecology	Urology	Cardiothoracic	Head & Neck	Colorectal	General	N/A
	3,194	1,565	393	71	301	197	4,903
Overall a	(30.1)	(14.7)	(3.7)	(0.7)	(2.8)	(1.9)	(46.2)
	[29.2–31.0]	[14.0–15.4]	[3.3–4.1]	[0.5–0.9]	[2.5–3.1]	[1.6–2.2]	[45.3–47.1]
Event Type b
Death	46	30	25	14	11	11	7
	(1.4)	(1.9)	(6.4)	(19.7)	(3.7)	(5.6)	(0.1)
	[1.0–1.8]	[1.2–2.6]	[4.0–8.8]	[10.4–29.0]	[1.6–5.8]	[2.4–8.8]	[0.0–0.2]
Injury	818	272	64	14	58	56	109
	(25.6)	(17.4)	(16.3)	(19.7)	(19.3)	(28.4)	(2.2)
	[24.1–27.1]	[15.5–19.3]	[12.6–20.0]	[10.4–29.0]	[14.8–23.8]	[22.1–34.7]	[1.8–2.6]
Malfunction	2,103	902	226	35	209	110	4,476
	(65.8)	(57.6)	(57.5)	(49.3)	(69.4)	(57.8)	(91.3)
	[64.2–67.4]	[55.2–60.0]	[52.6–62.4]	[37.7–60.9]	[64.2–74.6]	[48.9–62.7]	[90.5–92.1]
Other	227	361	78	8	23	20	311
	(7.1)	(23.1)	(19.8)	(11.3)	(7.6)	(10.2)	(6.3)
	[6.2–8.0]	[21.0–25.2]	[15.9–23.8]	[3.9–18.7]	[4.6–10.6]	[6.0–14.4]	[5.6–7.0]
	236	212	66	6	29	14	217
Conversion	(7.4)	(13.5)	(16.8)	(8.5)	(9.6)	(7.1)	(4.4)
	[6.5–8.3]	[11.8–15.2]	[13.1–20.5]	[2.0–15.0]	[6.3–12.9]	[3.5–10.7]	[3.8–5.0]
	26	148	11	1	1	6	77
Rescheduling	(0.8)	(9.5)	(2.8)	(1.4)	(0.3)	(3.0)	(1.6)
	[0.5–1.1]	[8.1–10.9]	[1.2–4.4]	[0–4.1]	[0–1.0]	[0.6–5.4]	[1.3–1.9]
Common Surgery Types	Hysterectomy (2,331)	Prostatectomy (1,291)	Thoracic (110)	Thyroidectomy (19)	Cholecyst-ectomy (118)	Hernia repair (37)
	Myomectomy (328)	Nephrectomy (138)	Lobectomy (67)	Tongue base resection (19)	Colectomy (61)	Nissen fundoplication (34)
	Sacrocolpopexy (170)	Pyeloplasty (31)	Mitral valve repair (54)	Transoral robotic (18)	Low anterior resection (44)	Gastric bypass (28)
	Oophorectomy (120)	Cystectomy (48)	Coronary artery bypass (23)		Colon resection (25)	Gastrectomy (15)

^a Percentages are over all the adverse event reports (n = 10,624).

^b Percentages are over the total adverse events reported for a surgical specialty.