Both drugs increased cardiac index by more than 50 percent over baseline ( dobutamine 2.2 + / - 0.1 to 3.5 + / - 0.2 [ p < 0.05 ] ; dopexamine , 2.3 + / - 0.1 to 3.5 + / - 0.1 [ p < 0.05 ] L/min/m2 ) .
