 Characters  Survivors  Non survivors  Pvalue 
 Age     >65 Y  10% (N = 2)  34.6% (N = 9)  0.08  <65 Y  90% (N = 18)  65.4% (N = 17)  Gender     Male  45% (N = 9)  65.4% (N = 17)  0.16  Female  55% (N = 11)  34.6% (N = 9)  APACHE     >20  25% (N = 5)  69.2% (N = 18)  0.003  <20  75% (N = 15)  30.8% (N = 8)  Sepsis  35% (N = 7)  61.5% (N = 16)  0.07  MOF (Multi organ failure)  35% (N = 7)  92.3% (N = 24)  <0.001  Refractory shock  0  53.8% (N = 14)  <0.001  Refractory hypoxemia  0  57.7% (N = 15)  <0.001 

