( @ ) D@ @ and D@ @ groups showed lower RS and VAS scores than those of control group , Ramsay sedative score in groups D@ @ and D@ @ was higher than that in control group ( RS : @ , @ vs. @ ; VAS : @ , @ vs. @ ; Ramsay : @ , @ vs. @ , P < @ or P < @ ) , and VAS score in group D@ @ was lower than that in D@ @ group ( P < @ ) .