Table 2 Light’s criteria for exudative effusion
From: Hepato-bronchial fistula secondary to perforated sigmoid diverticulitis: a case report
Light’s criteria | Value | Exudative range |
|---|---|---|
Pleural fluid protein to serum protein ratio | 0.81 | >0.5 |
Pleural fluid lactate dehydrogenase (LDH) to serum LDH ratio | 2.8 | >0.6 |
Pleural fluid LDH level | 256 U/L | >149 U/L |