RESULTS	The maximum pressor response was observed immediately after intubation , at which time the mean arterial pressure change from baseline in group LE ( 29.7 % ) ( 95 % confidence interval [ CI ] : 116.1 , 121.9 ) was higher than that in group R ( 4.4 % ) ( 95 % CI : 92.9 , 98.5 ) ( P < 0.0001 ) .\