Early presepsin ( day 1 ) was higher in decedents ( 2,269 pg/ml , median ( Q1 to Q3 ) , 1,171 to 4,300 pg/ml ) than in survivors ( 1,184 pg/ml ( median , 875 to 2,113 ) ; P = 0.002 ) , whereas PCT was not different ( 18.5 g/L ( median 3.4 to 45.2 ) and 10.8 g/L ( 2.7 to 41.9 ) ; P = 0.31 ) .