Correlation (r) values for ADA and other blood and pleural fluid markers in tuberculous pleuritis patients (N = 197).

<p>LYM% = pleural fluid lymphocyte percentage of total leucocytes.</p

Group comparison of laboratory markers among total TB pleuritis patients with <50 (N = 41) and >50 (N = 88) CD4 counts.

*<p> = significant difference between the 2 groups.</p

HIV status, CD4 counts and ADA values for the 2 groups with <50 (N = 25) and >50 (N = 33) CD4 counts among confirmed TB pleuritis patients.

<p>pos = positive, neg = negative, NA = not available, ADA = adenosine deaminase.</p

Validity of ADA as a diagnostic test.

<p>PPV = positive predictive value; NPV = negative predictive value; CI = 95% confidence interval; LR+ = positive likelihood ratio; LR− = negative likelihood ratio.</p