Pleural fluid LDH / Serum fluid LDH ratio is _____, to in exudation pleural effusion
Pleural Fluid LDH is > 2/3rd of serum LDH in exudative pleural effusion. Hence Pleural Fluid LDH / Serum LDH is > 0.6.
> 0.3
> 0.5
> 0.6
> 0.8