Table 5. Correlation (r) values for ADA and other blood and pleural fluid markers in tuberculous pleuritis patients (N = 197).

Test	r	p-values
In blood
CD4 counts cells/microL	−0.14	0.114
Absolute blood lymphocytes x 10 9/L	−0.049	0.667
Red blood cells x 1012/L	−0.044	0.644
In pleural fluid
Leucocytes	0.028	0.798
LYM%	0.110	0.373
Lactate dehydro-genase U/L	0.152	0.104
Total protein g/L	0.045	0.649

LYM% = pleural fluid lymphocyte percentage of total leucocytes.