{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,31]],"date-time":"2026-10-31T00:37:55Z","timestamp":1793407075082,"version":"4.5.0"},"reference-count":30,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2023,7,19]],"date-time":"2023-07-19T00:00:00Z","timestamp":1689724800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Veterinary Clinical Pathol"],"published-print":{"date-parts":[[2023,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>The diagnosis of feline pancreatitis can be challenging. The clinical presentation often includes mild, nonspecific clinical signs, such as vomiting, anorexia, and weight loss. Measurement of feline pancreatic lipase immunoreactivity (fPLI) concentration in serum has been reported to be sensitive and specific for a diagnosis of pancreatitis in cats. However, analytical validation for a widely available commercial assay for the measurement of fPLI concentration has not been published.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>We aimed to analytically validate the Spec fPL assay (IDEXX Laboratories, Westbrook, ME), a commercial ELISA for the measurement of fPLI concentration, and re\u2010evaluate its reference interval and decision threshold for diagnosing pancreatitis in cats.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Dilutional linearity, accuracy, precision, and the effect of interfering substances were assessed. The upper limit of the reference interval was calculated based on the 95th percentile of results from clinically healthy cats (n\u2009=\u2009107), and a decision threshold for diagnosing pancreatitis was calculated with an expected specificity of 99%.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Analytical validation demonstrated good linearity, accuracy, and precision, as well as the absence of interference from lipemia, hemolysis, or icterus. The upper limit of the reference interval for Spec fPL was determined to be 4.4\u2009\u03bcg\/L, and the decision threshold (a theoretical cut\u2010off) for diagnosing pancreatitis was determined to be 8.8\u2009\u03bcg\/L based on a desired specificity of 99%.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The Spec fPL assay is analytically valid, and results suggest that a decision threshold of 8.8\u2009\u03bcg\/L would have high diagnostic specificity for excluding clinically healthy cats.<\/jats:p><\/jats:sec>","DOI":"10.1111\/vcp.13283","type":"journal-article","created":{"date-parts":[[2023,7,20]],"date-time":"2023-07-20T03:13:51Z","timestamp":1689822831000},"page":"482-492","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["Analytical validation of an ELISA for the measurement of feline pancreas\u2010specific lipase and re\u2010evaluation of the reference interval and decision threshold for diagnosing pancreatitis"],"prefix":"10.1111","volume":"52","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0792-2414","authenticated-orcid":false,"given":"Yu\u2010An","family":"Wu","sequence":"first","affiliation":[{"name":"Gastrointestinal Laboratory, Department of Small Animal Clinical Sciences, School of Veterinary Medicine &amp; Biomedical Sciences Texas A&amp;M University College Station Texas USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J\u00f6rg M.","family":"Steiner","sequence":"additional","affiliation":[{"name":"Gastrointestinal Laboratory, Department of Small Animal Clinical Sciences, School of Veterinary Medicine &amp; Biomedical Sciences Texas A&amp;M University College Station Texas USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elke","family":"Huisinga","sequence":"additional","affiliation":[{"name":"IDEXX Laboratories Inc., One IDEXX Drive Westbrook Maine 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