{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T10:58:23Z","timestamp":1791197903121,"version":"4.1.0"},"reference-count":63,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2022,6,24]],"date-time":"2022-06-24T00:00:00Z","timestamp":1656028800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100007761","name":"Agencia Espa\u00f1ola de Medicamentos y Productos Sanitarios","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100007761","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Contact Dermatitis"],"published-print":{"date-parts":[[2022,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Continual analyses of patch test results with the European baseline series (EBS) serve both contact allergy surveillance and auditing the value of included allergens.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objectives<\/jats:title><jats:p>To present results of current EBS patch testing, obtained in 53 departments in 13 European countries during 2019 and 2020.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Anonymised or pseudonymised individual data and partly aggregated data on demographic\/clinical characteristics and patch test rest results with the EBS were prospectively collected and centrally pooled and analysed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In 2019 and 2020, 22\u2009581 patients were patch tested with the EBS. Sensitization to nickel remained most common (19.8 [19.2\u201320.4]% positivity [95% confidence interval]). Fragrance mix I and <jats:italic>Myroxylon pereirae<\/jats:italic> yielded very similar results with 6.80 (6.43\u20137.19)% and 6.62 (6.25\u20137.00)% positivity, respectively. Formaldehyde at 2% aq. yielded almost one percentage point more positive reactions than 1% concentration (2.49 [2.16\u20132.85]% vs. 1.59 [1.33\u20131.88]); methylchloroisothiazolinone\/methylisothiazolinone (MCI\/MI) and MI alone up to around 5% positives. Among the new additions, propolis was most commonly positive (3.48 [3.16\u20133.82]%), followed by 2\u2010hydroxyethyl methacrylate (2.32 [2.0\u20132.68]%).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Ongoing surveillance on the prevalence of contact sensitization contributes to an up\u2010to\u2010date baseline series containing the most frequent and\/or relevant contact sensitizers for routine patch testing in Europe.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cod.14170","type":"journal-article","created":{"date-parts":[[2022,6,9]],"date-time":"2022-06-09T10:49:46Z","timestamp":1654771786000},"page":"343-355","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":99,"title":["Patch test results with the European baseline series, 2019\/20\u2014Joint European results of the <scp>ESSCA<\/scp> and the <scp>EBS<\/scp> working groups of the <scp>ESCD<\/scp>, and the <scp>GEIDAC<\/scp>"],"prefix":"10.1111","volume":"87","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4498-3710","authenticated-orcid":false,"given":"Wolfgang","family":"Uter","sequence":"first","affiliation":[{"name":"Department of Medical Informatics, Biometry and Epidemiology Friedrich\u2010Alexander\u2010Universit\u00e4t Erlangen\u2010N\u00fcrnberg  Erlangen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7253-3461","authenticated-orcid":false,"given":"S. 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