The HR and MAP at 1 min after intubation were lowest in group S ( 76.4 9.2 beats/min and 12.9 1.1 kPa ) , followed by group G ( 79.9 9.3 beats/min and 13.0 0.9 kPa ) and then group D ( 90.4 8.1 beats/min and 16.6 1.2 kPa ) .