Table 1. Types of foreign bodies ingested among studied Omani children.

Foreign body	Patients, n	Percentage, %
Coin	159	41.3
Disc battery	47	12.2
Marble	21	5.5
Pins	16	4.2
Needle	7	1.8
Screws	28	7.3
Nails	8	2.1
Key	7	1.8
Metallic pieces and rings	39	10.1
Glass	8	2.1
AAA batteries	1	0.3
Magnet	13	3.4
Plastic and miscellaneous	27	7.0
Unidentified	3	0.8
Screw and disc battery	1	0.3
Total	385	100