All the following in the Light's criteria are suggestive of exudative pleural effusion EXCEPT
Light's criteria is used for distinguishing pleural transudate from exudate.Exudate is likely if one or more of the following criteria are met:-(a)Pleural fluid protein:Serum protein ratio>0.5;(b)Pleural fluid LDH:Serum LDH ratio>0.6;(c)Pleural fluid LDH>two-thirds of the upper limit of normal serum LDH. Reference:Davidson's medicine-22nd edition,page no:662.
Pleural fluid protein :serum protein ratio> 0.5
Pleural fluid ADA< 16
Pleural fluid LDH : serum LDH ratio> 0.6
Pleural fluid LDH >two thirds of the upper limit of serum LDH
Respiratory system