Table 4.

Intragroup mean comparisons of HR, SBP, DBP, and MABP with the baseline across the study groups

Variable	Time (mean difference ± SD)
	Intubation	P	After 1 min	P	After 5 min	P
HR (bpm)
Propofol	7.89±11.90	0.001	8.18±12.38	0.001	10.59±13.90	<0.001
Etomidate	12.81±9.88	<0.001	9.68±11.67	<0.001	16.49±14.09	<0.001
Midazolam	9.10±11.52	<0.001	4.22±18.10	0.209	11.49±16.09	0.001
SBP (mm Hg)
Propofol	42.89±34.30	<0.001	48.67±37.70	<0.001	44.29±36.48	<0.001
Etomidate	29.81±23.22	<0.001	15.31±26.71	0.004	21.71±28.67	0.517
Midazolam	39.61±30.52	<0.001	27.90±33.81	<0.001	47.02±33.29	<0.001
DBP (mm Hg)
Propofol	13.31±16.00	<0.001	15.00±15.11	<0.001	14.41±14.29	<0.001
Etomidate	9.01±9.21	<0.001	−1.13±14.50	0.672	0.66±14.31	0.801
Midazolam	10.81±15.28	<0.001	2.21±18.63	0.517	13.39±14.88	<0.001
MABP (mm Hg)
Propofol	26.67±20.51	<0.001	29.90±20.29	<0.001	26.51±20.89	<0.001
Etomidate	16.00±16.41	<0.001	3.28±21.10	0.394	9.67±19.49	0.001
Midazolam	24.29±18.67	<0.001	15.22±23.22	0.001	27.67±19.89	<0.001

The P value was calculated using the paired t test compared with the baseline time.

SBP, Systolic blood pressure; DBP, Diastolic blood pressure; HR, Heart rate; MABP, Mean arterial blood pressure