Rapid Score for Pleural InfectionLoading...BUN, serum< 14 mg/dL014-23 mg/dL (5-8 mmol/L)+1> 23 mg/dL+2Age, years< 50050-70+1> 70+2Purulent pleural fluidYes0No+1Infection sourceCommunity-acquired0Hospital-acquired+1Serum albumin≥ 2.7 g/dL (27 g/L)0< 2.7 g/dL (27 g/L)+1