PREdiction of Survival on ECMO Therapy ScoreLoading...Mean arterial pressure, mmHg> 100091-100+181-90+271-80+3≤ 70+4Lactate concentration, mmol/L≤ 1.5001.51-3.00+13.01-6.00+26.01-10.00+3> 10.00+4pHa> 7.30007.201-7.300+17.101-7.200+2≤ 7.100+3Platelet concentration, x 1000 cells/μl> 2000101-200+1≤ 100+2Hospital days pre-ECMO≤ 203-7+1> 7+2