Table 4.

Type of foreign bodies in the airway between the edible foreign body group and the inedible group.

Edible group			Inedible group
Nuts			Plastic
Peanut	463		Pen
Wild walnut kernel	124		Cap	10
Chestnut	46		Stand	5
Pistachio nuts	25		Plastic part of toys	6
Almond	19		Beads	2
Pine nuts	18		Press of lighter	1
Seeds			Plastic wrap	1
Sunflower seeds	131		Metal
Watermelon seeds	66		Light-emitting diode	7
Pumpkin seeds	49		Tinfoil	3
Mongolian snake gourd seed	12		Reeds	1
Beans			Spring	1
Soybean	27		Button	1
Broad bean	14		Brooch	1
Others nuts, seeds & beans	91		Screw	1
Flesh of unclear nature	41		Thumbtack	1
Shell of unclear nature	13		Nails	1
Bone slice	46		Tooth	2
Unclear in nature	7		Unclear in nature	1