Table 3

Patient series, including results of upper gastrointestinal endoscopy follow up

Author (ref No)	Year	No of patients	Endoscopy type*	Mean No of endoscopies	Findings at first endoscopy				Cumul. incidence (%) of duodenal adenomas at 70–75 y	Cumul. incidence (%) of Spigelman stage IV at 70–75 y	Duodenal cancer (%)	Cumul. incidence (%) of duodenal cancer at 75 y
Author (ref No)	Year	No of patients	Endoscopy type*	Mean No of endoscopies	Age at diagnosis of FAP	Age at endoscopy	Duodenal adenomas (%)	Spigelman stage IV (%)	Cumul. incidence (%) of duodenal adenomas at 70–75 y	Cumul. incidence (%) of Spigelman stage IV at 70–75 y	Duodenal cancer (%)	Cumul. incidence (%) of duodenal cancer at 75 y
*FV, forward viewing endoscope; SV, side viewing endoscope.
†At age 80 years.
‡At age 57 years.
Church⁷	1992	247	SV+FV	3	25	33.5	65
Nugent⁸	1994	70	SV	2							1.4
Debinski⁹	1995	200				39	65				2.0
Heiskanen¹²	1999	98	SV/FV	3			54	2	97†	30†		4†
Björk¹⁴	2001	180	FV	2			74	8	98	20		10
Kadmon¹⁶	2001	231	FV				58				1.7
Groves¹⁷	2002	114	SV			42					5.0
Present study		368	FV	4	25	37	65	7	99	52	1.6	4.5‡