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

Table 5

Concordance of three MAST assays with ImmunoCAP on discrepant sera among three MAST assays.

		ImmunoCAP		Agreement (%)
		N*	P^†	Total (kappa)	ImmunoCAP(+)	ImmunoCAP(−)
Inhalant panel
RIDA	N	8	6	51.7 (0.04)	53.8	50.0
	P	8	7
MAST Optigen	N	6	1	60.7 (0.27)	91.7	37.5
	P	10	11
Polycheck	N	15	9	65.5 (0.26)	30.8	93.8
	P	1	4
Food panel
RIDA	N	2	13	33.3 (−0.38)	40.9	18.2
	P	9	9
MAST Optigen	N	8	3	81.8 (0.59)	86.4	72.7
	P	3	19
Polycheck	N	9	16	45.5 (0.07)	27.3	81.8
	P	2	6

RIDA: RIDA Allergy Screen, Polycheck: Polycheck Allergy, N: negative, P: positive. *Number of tests with negative results was shown. ^†Number of tests with positive results was shown.