Table 3.

Intra- and intergroup comparisons of HR, SBP, DBP, and MABP among the 3 drug groups

Variable	Times (mean±SD)				P*
	Baseline	Intubation	After 1 min	After 5 min
HR (bpm)					0.065
Propofol	78.89±17.00	71.00±14.01	70.81±15.29	68.28±15.41
Etomidate	84.09±13.89	71.33±13.81	74.39±14.69	67.59±10.52
Midazolam	87.1±16.1	68.92±12.54	73.81±16.2	66.11±15.20
P*					0.688
SBP (mm Hg)					<0.001
Propofol	147.91±25.90	105.04±24.91	99.11±20.52	103.49±2139
Etomidate	148.47±29.21	118.73±25.01	133.22±39.01	126.81±27.00
Midazolam	151.22±29.89	109.41±24.42	122.92±24.36	103.81±18.74
P*					<0.001
DBP (mm Hg)					<0.001
Propofol	69.81±10.81	56.46±17.80	54.71±13.91	55.42±13.89
Etomidate	63.29±13.62	54.42±12.31	64.49±17.00	62.71±14.70
Midazolam	61.90±14.17	50.81±12.60	60.01±14.77	48.91±11.20
P **					0.056
MABP (mm Hg)					<0.001
Propofol	99.41±13.21	72.56±19.00	70.53±16.22	73.04±16.78
Etomidate	93.46±17.80	77.51±15.19	90.22±26.19	83.79±17.50
Midazolam	95.22±18.19	70.08±13.91	80.11±16.68	67.68±13.51
P **					<0.001

^*Intergroup, multivariate analysis of the repeated measures test

^**Intragroup, analysis of the variances test

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