Within-subject variability of interferon-g assay results for tuberculosis and boosting effect of tuberculin skin testing: a systematic review.

Variability in interferon-gamma release assays (IGRAs) results for tuberculosis has implications for interpretation of results close to the cut-point, and for defining thresholds for test conversion and reversion. However, little is known about the within-subject variability (reproducibility) of IGR...

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Bibliographic Details
Main Authors: Richard N van Zyl-Smit, Alice Zwerling, Keertan Dheda, Madhukar Pai
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2009-12-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC2795193?pdf=render