For the subgroups of men , at similar BIS@-@ -LSB- @ ( @-@ ) % vs @ ( @-@ ) % -RSB- , propofol -LSB- @ ( @-@ @ ) vs @ ( @-@ @ ) mg kg ( -@ ) h ( -@ ) -RSB- and remifentanil -LSB- @ ( @-@ @ ) vs @ ( @-@ @ ) g kg ( -@ ) min ( -@ ) -RSB- consumptions were similar in the N@O vs AIR group , respectively .