In-hospital blood collection increases the rate of indeterminate results in interferon-gamma release assays.
Yuki OsakabeFumihiro YamaguchiAyako SuzukiHaruka KitanoMina HiraiwaYo ShiratoriShota OnozakiMari NakamotoSaori KawamuraMiku KosugeKenji AtarashiHidekazu ChoShohei ShimizuAkira FujishimaYusuke ShikamaPublished in: Therapeutic advances in respiratory disease (2022)
Certain types of individuals are at higher risk of an indeterminate IGRA result. The QFT-plus test for hospitalized patients should be avoided as much as possible, and it is better to perform the test for those patients in outpatient settings.