Research Article

Comparison of Three Multiple Allergen Simultaneous Tests: RIDA Allergy Screen, MAST Optigen, and Polycheck Allergy

Table 4

Concordance of three MAST assays with ImmunoCAP according to antigen panels.

Agreement with ImmunoCAP(+)Agreement with ImmunoCAP(−)
RIDAMAST OptigenPolycheckRIDAMAST OptigenPolycheck

Inhalant panel*
 House dust0/3 (0%)3/3 (100%)3/3 (100%)NANANA
 MilkNANANA2/3 (66.7%)0/3 (0%)3/3 (100%)
 Mugwort1/1 (100%)1/1 (100%)0/1 (0%)1/1 (100%)0/1 (0%)1/1 (100%)
 Crab1/1 (100%)1/1 (100%)0/1 (0%)1/1 (100%)0/1 (0%)1/1 (100%)
 Timothy grass1/1 (100%)1/1 (100%)0/1 (0%)0/1 (0%)1/1 (100%)1/1 (100%)
 DandelionNANANA0/1 (0%)0/1 (0%)1/1 (100%)
 Peach0/3 (0%)3/3 (100%)0/3 (0%)1/1 (100%)0/1 (0%)1/1 (100%)
 Cockroach mixNANANA1/1 (100%)0/1 (0%)1/1 (100%)
 Birch-alder mixNANANA1/2 (50%)0/2 (0%)2/2 (100%)
 HazelnutNANANA1/1 (100%)1/1 (100%)0/1 (0%)
 Alternaria1/1 (100%)0/1 (0%)1/1 (100%)0/1 (0%)1/1 (100%)1/1 (100%)
 Rye, cultbatd1/1 (100%)1/1 (100%)0/1 (0%)NANANA
 AspergillusNANANA0/1 (0%)1/1 (100%)1/1 (100%)
 Sycamore mixNANANA0/1 (0%)1/1 (100%)1/1 (100%)
 Cedar JapaneseNANANA0/1 (0%)1/1 (100%)1/1 (100%)
 Ox-eye-daisy1/1 (100%)NA0/1 (0%)NANANA
 Orchard grass1/1 (100%)1/1 (100%)0/1 (0%)NANANA
Food panel*
 D. pteronyssinus0/1 (0%)1/1 (100%)1/1 (100%)NANANA
 House dustNANANA2/2 (100%)2/2 (100%)0/2 (0%)
 Milk1/3 (33.3%)3/3 (100%)1/3 (33.3%)0/1 (0%)0/1 (0%)1/1 (100%)
 MugwortNANANA0/1 (0%)1/1 (100%)1/1 (100%)
 Dog1/1 (100%)1/1 (100%)0/1 (0%)0/1 (0%)1/1 (100%)1/1 (100%)
 Egg white0/2 (0%)2/2 (100%)1/2 (50%)NANANA
 Soy beans0/1 (0%)1/1 (100%)1/1 (100%)NANANA
 Shrimp0/1 (0%)1/1 (100%)0/1 (0%)NANANA
 cheese1/3 (33.3%)3/3 (100%)0/3 (0%)0/1 (0%)1/1 (100%)1/1 (100%)
 Garlic1/1 (100%)0/1 (0%)0/1 (0%)NANANA
 Alternaria1/2 (50%)1/2 (50%)1/2 (50%)0/1 (0%)1/1 (100%)1/1 (100%)
 Cat0/1 (0%)1/1 (100%)1/1 (100%)NANANA
 Codfish1/1 (100%)1/1 (100%)0/1 (0%)NANANA
 Salmon1/2 (50%)2/2 (100%)0/2 (0%)NANANA
 PorkNANANA0/2 (0%)2/2 (100%)2/2 (100%)
 Chicken1/2 (50%)1/2 (50%)0/2 (0%)NANANA
 BeefNANANA0/2 (0%)0/2 (0%)2/2 (100%)
 Citrus mix1/1 (100%)1/1 (100%)0/1 (0%)NANANA

RIDA: RIDA Allergy Screen, Polycheck: Polycheck Allergy, NA: not available. *Antigen panels were shown in the order of decreasing positive rate in Korean population [7]. Number of positive results/number tested (%).