Figure 2
Scatter plot of interferon gamma (IFN-γ) and adenosine deaminase (ADA) using pleural fluid from patients with TB and non-TB pleural effusions. *: p < 0.0001 (Mann-Whitney). See Additional file 1: Table S6 in the online supplementary data for final diagnosis of non-TB patients with ADA and/or IFN-γ levels above cut points.