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Therefore, we aimed to identify factors associated with indeterminate QFT-GIT results for immunocompetent children. We conducted a retrospective chart review of children (aged\u2009\u2264\u200918\u00a0years) who underwent QFT-GIT between September 2006 and July 2017 at the Severance Hospital, Seoul, South Korea. Of the 2037 QFT-GIT assays included in the present study, 7.7% yielded indeterminate QFT-GIT results. Multivariable logistic regression analysis identified younger age (OR 0.88; 95% CI 0.836\u20130.927; <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001), elevated white blood cell (WBC) count (OR 1.066; 95% CI 1.020\u20131.115; <jats:italic>P<\/jats:italic>\u2009=\u20090.005), decreased albumin levels (OR 0.505; 95% CI 0.316\u20130.807; <jats:italic>P<\/jats:italic>\u2009=\u20090.004), and low-dose steroid therapy (&lt;\u20091\u00a0mg\/kg per day of prednisone or equivalent for\u2009&lt;\u20092\u00a0weeks) (OR 76.146; 95% CI 8.940\u2013648.569; <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001) as significant factors influencing indeterminate results. Younger age, high WBC count, low albumin levels, and low-dose steroid therapy were associated with indeterminate QFT-GIT results. Low-dose steroid therapy had the highest OR for the indeterminate results compared to other significant risk factors. Our study suggests that screening for steroid doses is important prior to performing interferon-gamma release assays for immunocompetent children.<\/jats:p>","DOI":"10.1038\/s41598-021-86053-0","type":"journal-article","created":{"date-parts":[[2021,3,19]],"date-time":"2021-03-19T13:04:20Z","timestamp":1616159060000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Low-dose steroids are associated with indeterminate QuantiFERON-TB Gold In-Tube assay results in immunocompetent children"],"prefix":"10.1038","volume":"11","author":[{"given":"Kyu Ho","family":"Kim","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ji-Man","family":"Kang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jong Gyun","family":"Ahn","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2021,3,19]]},"reference":[{"key":"86053_CR1","doi-asserted-by":"publisher","first-page":"1642","DOI":"10.1016\/S0140-6736(19)30308-3","volume":"393","author":"J Furin","year":"2019","unstructured":"Furin, J., Cox, H. & Pai, M. 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