RESULTS	Patients in the PTX group had lower TNFalpha values ( 6.3 ng ml ( -1 ) ( 4/8 .2 ) vs 9.1 ng ml ( -1 ) ( 6.5 / 13.7 ) ) ( median ( 25 % / 75 % ) , p = 0.021 ) , lower systolic ( 28 + / -7 mm Hg vs 35 + / - 9 mm Hg , mean + / - SD , p = 0.011 ) and mean pulmonary artery pressures ( 21 + / -5 vs 26 + / -6 mm Hg , p = 0.017 ) after admission to the ICU than control patients .\