variables with independent predictive value regarding long-term survival were : left ventricular failure ( regression coefficient : b = 1.078 , p less than 0.0002 ) , age ( b = 0.749 , p less than 0.009 ) , pulse pressure ( b = -0.663 , p less than 0.02 ) and cardio-thoracic index ( cti ) ( b = 0.603 , p less than 0.04 ) .
C0023212
left ventricular failure
C0018787
cardio