Table 2. Frequency of positive reactions to food allergens in self-reported history.

Variable	No. of patients (%)
Number of suspicious foods
2	10 (2.9)
1	36 (10.3)
0	304 (86.9)
Total	350 (100.0)
Types of suspicious foods
Pork	16 (4.6)
Beef	7 (2.0)
Shrimp	6 (1.7)
Mackerel	6 (1.7)
Crab	4 (1.1)
Dog meat soup	3 (0.9)
Egg	2 (0.6)
Chicken	2 (0.6)
Wheat	2 (0.6)
Peanut	2 (0.6)
Salmon	1 (0.3)
Buckwheat	1 (0.3)
Beer	1 (0.3)
Coffee	1 (0.3)
Ramen	1 (0.3)
Fermented soybean paste (Cheonggukjang)	1 (0.3)