The Effect of Age on Whole Blood Interferon-Gamma Release Assay Response among Children Investigated for Latent Tuberculosis Infection
The Journal of Pediatrics, 05/31/2012
Critselis E et al. – Qualitative QuantiFERON–TB Gold–In–Tube (QFT–IT) assay results are not affected by patient age. However, indeterminate results occur more frequently among younger children. Among patients with LTBI the quantitative QFT–IT result is inversely associated with patient age.