Total IgE (kIU/L) Total IgE (kIU/L) Total IgE (kIU/L) Allergen-specific IgE (kUA/L) Allergen-specific IgE (kUA/L) Allergen-specific IgE (kUA/L) Total tryptase (µg/L) Total tryptase (µg/L) Total tryptase (µg/L)
Low (<100) Medium (100-400) High (>400) Low (<5)
Medium (5-10)
High (>10) Low (<8)
Medium (8-20)
High (>20)
Intra-assay variation (Repeatability)
Results (median; range; sample size)
2.4 (0.9;4.0); 22 2.1 (1.3;5.7); 23 2.9 (0.9;7.5); 20 3.1 (0.2;12.2); 24 3.6 (1.1;8.6); 17 3.5 (1.6;10.4); 19 2.1 (0.4;3.3); 11 1.9 (0.8;4.4); 15 2.6 (1.1;4.2); 14
2009-2019 targets 3*;9§;10**;15*** 3*;6§;10**;15*** 3*;6§;10**;15*** 4*;10** 5*;10** 5*;10** 3* 3* 4*
Interassay variation (Reproducibility)
Results (median; range; sample size)
6.7 (3.0;14.9); 27 6.9 (2.1;9.0); 17 6.8 (3.0;9.2); 19 6.8 (3.0;10.6); 26 7.5 (4.2;11.5); 23 7.7 (3.9;13.1); 21 5.7 (2.8;13.0); 9
6.2 (3.0;12.9); 16
6.0 (4.3;10); 12
2009-2019 targets 5*;12§;20**;20*** 4*;8§;15**;20*** 7*;8§;15**;20*** 4*;20** 5*;15** 9*;15** 5* 6* 7*
Bias (Accuracy)
Results (median; range; sample size)
-1.0 (-18.0;14.8); 277 0.5 (-15.3;14.1); 154 -0.4 (-10.1;6.2); 21 -0.4 (-28.2;26.3); 470 -0.9 (-23.7;24.2); 273 -0.4 (-22.3;25.5); 282 -1.3 (-24.2;12.8); 28 -2.4 (-16.9;17.7); 74 -1.2 (-16.9;21.4); 267
2009-2019 targets 20¤;15§;20**;20***;11# 15¤;10§;15**;20***;11# 10§;15**;20***;11# 15# 15# 15# 8# 8# 8#
Uncertainty of measurement (Precision)
Results (median; range; sample size)
20.3 (13.0;50.0); 41 15.8 (6.7;45.8); 35 17.0 (6.7;22.9); 23 21.0 (7.0;43.0); 52 23.8 (6.8;42.4); 40 23.9 (13.1;36.0); 37 17.6 (13.0;24.6); 14 17.6 (13.0;24.6); 14 17.0 (13.0;34.0); 10
2009-2019 targets none none none none none none none none none