Foreign Bodies in the Oesophagus: The Experience of the Buenos Aires Paediatric ORL Clinic

Table 2

Comparison among characteristics recorded in the present case series and in 4 published case series. Data are given as percentage.

First author, publication year, country, number of retrieved FB
	Buenos Aires 2009, Argentina, 320 FB	Gregori et al. 2010, [7] Europe, 186 FB	Little et al. 2006, [9], USA, 555 FB	Lin et al. 2007, [8], Taiwan, 38 FB	Van As et al. 2003, [10], South Africa, 735 FB
Distribution by sex
Males	50.94	61	53.7	58.1	49
Females	49.06	49	46.3	41.9	51
Distribution by age
Mean age	4.58	2	3.24	4	No available data. 3 years incidence peak (24)
FB type
Organic FB	4.7	19.9	12	5.3	8
Inorganic FB	93.3	80.1	88	94.7	92
Adult present
Yes	85.3	89.8
No	14.7	10.2
Location: Esophagus
Upper	8.4		73	26
Middle	84.1		14	5
Distal	7.5		12	7
Most frequent symptom	Vomiting (28.7)	Dysphagia (23)	Dysphagia (37)	Odynophagia (84)
Most frequent complication	Esophageal perforation (0.31)	Pneumonia (1.08)	Epistaxis (0.36)	Erosive esophagitis (2.6)	No complications