( 2 ) In the MIA group and ADA group , after surgery , the increased dosage of fentanyl citrate was less than that in the general anesthesia group [ ( 11.01.04 ) g/kg vs ( 15.41.52 g/kg , ( 11.51.38 g/kg vs ( 15.41.52 g/kg , both P < 0.05 ] , reducing by 25 % in comparison .