No statistical difference was observed among control , Chinese herb and cortical groups in lowering 28-day death rate [ 35.0 % ( 7/20 ) , 25.0 % ( 5/20 ) , 20.0 % ( 4/20 ) ] and improving 3-day shock recovery rate [ 40.0 % ( 8/20 ) , 70.0 % ( 14/20 ) , 60.0 % ( 12/20 ) , all P > 0.05 ] .