[Activity of pleural fluid adenosine deaminase in tuberculous pleurisy].

Examining the activity of adenosine deaminase in the pleural fluids of 69 patients with tuberculous pleurisy of various etiology from the clinics of Armenia indicated that it was greater than the threshold value of 20 U/L in 95.7 of 47 patients with tuberculous pleurisy. The specificity of this parameter for this disease was 0.91. The prognostic value of the test with positive and negative results was 0.96 and 0.94, respectively. The diagnostic value of the ADA test was 0.94.