Table 2.

Types of foreign bodies ingested by a cohort of patients.

Types of foreign body	Detection by scope	Total	Detection rate
Food bolus	70	80	87.5%
Fish bones	51	84	60.7%
Chicken bones	9	10	90%
Coins	2	2	100%
Toothpicks	4	5	80%
Medicine tinfoil pack	3	4	75%
Dentures	13	19	68.4%
Battery	1	1	100%
Others	15	21	71.4%
Total	168	226	74.3%