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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: Diagn Microbiol Infect Dis. 2011 Nov;71(3):236–243. doi: 10.1016/j.diagmicrobio.2011.07.012

Figure 2. The influence of CD4 count on IFN-γ/QFT-IT (a), IP-10/QFT-IT (b) assays and TST (c) outcomes.

Figure 2

Figure 2

Figure 2

The decline of CD4 count was associated with IFN-γ/QFT-IT or IP-10/QFT-IT indeterminate only but not with IFN-γ/QFT-IT or IP-10/QFT-IT negative. The CD4 count was significantly low in TST negatives than TST positives. Box and Whisker plots show range, inter-quartile range and median. QFT-IT–Quantiferon TB Gold in-tube, IP-10 – Interferon gamma inducible protein-10, TST – Tuberculin skin test, *significant difference p<0.05 by Kruskal-Wallis test.