{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,14]],"date-time":"2025-05-14T00:53:31Z","timestamp":1747184011714,"version":"3.40.5"},"reference-count":18,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2021,9,10]],"date-time":"2021-09-10T00:00:00Z","timestamp":1631232000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100014609","name":"Public Health Wales","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100014609","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Contact Dermatitis"],"published-print":{"date-parts":[[2021,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>How many patients should we be patch testing? A previous study suggested that the minimum proportion of a population to be patch tested for allergic contact dermatitis was 1:700 annually.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objectives<\/jats:title><jats:p>To evaluate if the current minimum rate for patch testing has changed over the 20\u2009years since the previous study in order to maximize the value.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>In cooperation with the British Society for Cutaneous Allergy, a proforma for collation of retrospective data between January 2015 and December 2017 was sent to patch\u2010test centers in the United Kingdom (UK) and the Republic of Ireland (ROI). The number of positive tests was analyzed against the proportion of population tested to see what proportion of the population would yield the greatest number of positive results.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Responses from 11 centers showed that the minimum number needed to patch test had increased to 1:550 per head of population per year using the current criteria.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>In agreement with previous studies, we should be patch testing more people than we are. We could reduce the threshold for referral of patients we patch test to derive the most benefit from this investigation.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cod.13957","type":"journal-article","created":{"date-parts":[[2021,8,21]],"date-time":"2021-08-21T20:45:52Z","timestamp":1629578752000},"page":"693-697","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Ideal proportion of the population to be patch tested: How many should we be doing?"],"prefix":"10.1111","volume":"85","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8164-1226","authenticated-orcid":false,"given":"Avad A.","family":"Mughal","sequence":"first","affiliation":[{"name":"Dermatology Department Neath and Port Talbot Hospital  Port Talbot UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ashima","family":"Lowe","sequence":"additional","affiliation":[{"name":"Dermatology Department University Hospital of Wales  Cardiff UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sofia","family":"Hadjieconomou","sequence":"additional","affiliation":[{"name":"Dermatology Department University Hospital of Wales  Cardiff UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1123-6882","authenticated-orcid":false,"given":"Bevin","family":"Bhoyrul","sequence":"additional","affiliation":[{"name":"Dermatology Sinclair Dermatology  Melbourne Victoria Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anthony","family":"Chu","sequence":"additional","affiliation":[{"name":"Dermatology Hammersmith Hospital  London UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sue M.","family":"Cooper","sequence":"additional","affiliation":[{"name":"Dermatology Oxford University NHS Trust  Oxford UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Preshita","family":"Divekar","sequence":"additional","affiliation":[{"name":"Dermatology Royal Cornwall Hospital  Truro UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Glenda","family":"Hill","sequence":"additional","affiliation":[{"name":"Dermatology Wrexham Maelor Hospital  Wrexham UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0137-5245","authenticated-orcid":false,"given":"Catherine R.","family":"Holden","sequence":"additional","affiliation":[{"name":"Dermatology Sheffield Teaching Hospitals NHS Foundation Trust  Sheffield UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Graham A.","family":"Johnston","sequence":"additional","affiliation":[{"name":"Dermatology Leicester Royal Infirmary  Leicester UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ruth A.","family":"Sabroe","sequence":"additional","affiliation":[{"name":"Dermatology Sheffield Teaching Hospitals NHS Foundation Trust  Sheffield UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Krisztina","family":"Scharrer","sequence":"additional","affiliation":[{"name":"Dermatology Lincoln County Hospital  Lincoln UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Natalie","family":"Stone","sequence":"additional","affiliation":[{"name":"Dermatology St. Woolos Hospital  Newport UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Naila","family":"Usmani","sequence":"additional","affiliation":[{"name":"Dermatology Mid Yorkshire NHS Trust  Wakefield UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stephen M.","family":"Wilkinson","sequence":"additional","affiliation":[{"name":"Dermatology Chapel Allerton Hospital  Leeds UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,9,10]]},"reference":[{"key":"e_1_2_9_2_1","unstructured":"WilkinsonM BourkeJ CampbellFet al.Working Party Report on minimum standards for cutaneous allergy services. 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