| Epidemiology from Literature | | Cohort | Year | Country | Test | Subjects | Positive (%) | Bibliography |  | 1.10 - Any allergy symptom, Diagnosed | 2010 | Italy | IgE | 16408 | 25.710 | 20100301, Scala E |  | 1.11 - Esophagitis, Diagnosed | 2013 | Netherlands | IgE | 76 | 2.600 | 20131020, van Rhijn BD |  | 1.11 - Esophagitis, Diagnosed | 2013 | Switzerland | IgE | 35 | 2.860 | 20130605, Simon D |  | 1.2.1 - Asthma, Diagnosed (Adults) | 2012 | Sweden | IgE | 96 | 0.000 | 20120528, Patelis A |  | 1.4 - Respiratory Symptoms, Diagnosed | 2012 | France | IgE | 129 | 3.100 | 20121204, Caimmi D |  | 1.4 - Respiratory Symptoms, Diagnosed | 2014 | Italy | IgE | 21 | 23.800 | 20141114, Costa C |  | 1.4 - Respiratory Symptoms, Diagnosed | 2008 | Spain | IgE | 786 | 8.270 | 20081010, Barber D |  | 1.5 - Atopic Dermatitis, Diagnosed | 2013 | Germany | IgE | 140 | 5.000 | 20130111, Ott H |  | 1.5 - Atopic Dermatitis, Diagnosed | 2009 | Germany | IgE | 20 | 15.000 | 20091005, Ott H |  | 1.5 - Atopic Dermatitis, Diagnosed | 2014 | Korea, Republic of | IgE | 25 | 4.000 | 20140821, Choi JS |  | 1.9 - Pollen Allergy | 2014 | Czech Republic | IgE | 826 | 0.900 | 20140606, Panzner P |  | 10.1 - Normal Control | 2012 | Belgium | IgE | 27 | 0.000 | 20110223, De Knop KJ |  | 10.1 - Normal Control | 2009 | Belgium | IgE | 26 | 0.000 | 20091121, Ebo DG |  | 3.1.4 - Source Sensitized (SPT, IgE) | 2005 | Italy | IgE | 220 | 33.200 | 20050923, Rossi RE |  | 3.2.2 - Source Sensitized - High Exposure (IgE) | 2003 | Mediterranean Countries | IgE | 36 | 83.300 | 2003, Stumvoll S |  | 3.2.3 - Source Sensitized - Low Exposure (IgE) | 2003 | Non-Mediterranean Countries | IgE | 57 | 7.000 | 2003, Stumvoll S |  | 4.1.2 - Heterologous Source Sensitized (Symptoms, SPT) | 2008 | Spain | IgE | 50 | 85.700 | 20080413, Luengo O |  | 4.1.4 - Heterologous Source Sensitized (Symptoms, IgE) | 2012 | Austria | IgE | 54 | 1.900 | 20120310, Twaroch TE |  | 4.1.4 - Heterologous Source Sensitized (Symptoms, IgE) | 2009 | Belgium | IgE | 22 | 4.550 | 20091121, Ebo DG |  | 4.1.4 - Heterologous Source Sensitized (Symptoms, IgE) | 2012 | Italy | IgE | 26 | 23.100 | 20120310, Twaroch TE |  | 4.1.4 - Heterologous Source Sensitized (Symptoms, IgE) | 2009 | Italy | IgE | 26 | 19.230 | 20091204, Ciardiello MA |  | 4.1.5 - Heterologous Source Sensitized (IgE) | 2009 | Belgium | IgE | 20 | 0.000 | 20091121, Ebo DG |  | 4.1.7 - Heterologous Source Sensitized (Symptoms, SPT, IgE) | 2009 | Belgium | IgE | 37 | 0.000 | 20090826, Ebo DG |  | 4.1.7 - Heterologous Source Sensitized (Symptoms, SPT, IgE) | 2012 | Spain | IgE | 55 | 3.600 | 20120726, Pedrosa M |  | 4.1.8 - Heterologous Source Sensitized (SPT, IgE) | 2012 | Spain | IgE | 68 | 1.500 | 20120726, Pedrosa M |  | 5.3.1 - Source Exposed (Symptoms, IgE) | 2012 | Belgium | IgE | 99 | 0.000 | 20110223, De Knop KJ |  | 6.2 - General Population (Adults) | 2012 | Sweden | IgE | 371 | 0.000 | 20120528, Patelis A | 
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