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The Capital Region of Denmark - a part of Copenhagen University Hospital
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Borderline-Positive Quantiferon in Children

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We systematically retested children with borderline-positive quantiferon (0.35-0.99 IU/mL) during the period 2015-2019. Among 647 tests, 27 (4%) were positive (>0.35 IU/mL). Borderline-positive quantiferon accounted for 10 of 27 (37%) positive tests. When retested, 9 of 10 (90%) were negative. Children younger than 5 years had negative tuberculin skin tests. Thus, we found high test variability in the borderline range and, in some children, high suspicion of false positive tests.

Original languageEnglish
JournalThe Pediatric infectious disease journal
Volume38
Issue number11
Pages (from-to)e307-e309
ISSN0891-3668
DOIs
Publication statusPublished - 2019

ID: 58927174