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. 2012 Feb;26(2):71–78. doi: 10.1155/2012/782790

TABLE 4.

Summary of complications of colonoscopy, flexible sigmoidoscopy and esophagoduodenoscopy (EGD)

Procedure (reference), year n Perforation Hemorrhage Procedure-related mortality
Colonoscopy (12), 2010 21,375 0.019 (1 in 5344) 0.16 (1 in 629) 0
Colonoscopy (13), 2009 274,265 0.035 (1 in 2857)
Colonoscopy (14), 2009 491,311 0.07 (1 in 1428)
Colonoscopy (15), 2009 277,434 0.082 (1 in 1219)
Colonoscopy (10), 2009 24,509 0.12 (1 in 847) 0.086 (1 in 1162)
Colonoscopy (11), 2008 97,091 0.085 (1 in 1176) 0.164 (1 in 610) 0.0074 (1 in 13,513)
Colonoscopy (16), 2006 16,318 0.09 (1 in 1111) 0.5 (1 in 208) 0.006 (1 in 16,318)
Colonoscopy (3), 2004 9223 0.13 (1 in 769) 0.065 (1 in 1537) 0.065 (1 in 1537)
Colonoscopy (23), 2002 3196 0 0.22 (1 in 455)
Sigmoidoscopy (14), 2009 109,614 0.04 (1 in 2382)
Sigmoidoscopy (39), 2002 109,534 0.0018 (1 in 54,767) 0.0082 (1 in 12,170) 0
Sigmoidoscopy (41), 2000 49,501 0.004 (1 in 24,750) 0
EGD (35), 2007 10,236 0 0.27 (1 in 366) 0
EGD (34), 2004 13,792 0.06 (1 in 1724) 0

Data presented as % unless otherwise indicated