Fig. 4From: Mycobacterial antigens in pleural fluid mononuclear cells to diagnose pleural tuberculosis in HIV co-infected patientsDifference in the mycobacterial antigen load among cases with higher and lower DNA load (n = 18). Mycobacterial DNA load is categorized based on the number of positives with nested-PCR among the triplets from each specimen. Mann-Whitney test was used for comparisonsBack to article page