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. 2009 May 28;10:31. doi: 10.1186/1471-2172-10-31

Figure 5.

Figure 5

T-SPOT.TB positive rates in patients with active TB by different durations of TB treatment and CD4+ T cell counts. The black column represents the T-SPOT.TB positive rate of patients with CD4+ T cells <200/μl, and the gray column represents that of patients with CD4+ T cells ≥200/μl. There are decreasing tendency of T-SPOT.TB positive rate with increasing treatment duration in both CD4+ T cells ≥200/μl and CD4+ T cells <200/μl subgroups. But P > 0.05 between subgroups of different treatment durations and subgroups of different CD4+ T cell counts.