Table 2.

Changes in Hemodynamic Profiles over time.

Time	Variables	Group 1 (N=33) Mean ± SD	Group 2 (N=33) Mean ± SD	Group 3 (N=33) Mean ± SD	P
Baseline	SBP	124.47±6.08	124.66±4.17	124.66±7.07	0.989
	MAP	95.72±7.42	97.19±7.79	96.19±8.68	0.754
	HR	93.00±10.22	91.97±10.62	92.91±10.71	0.910
@15th min after infusion	SBP	130.38±6.93	123.72±6.36*	122.09±4.65*	<0.0005
	MAP	97.50±8.89	92.47±8.14	91.88±11.20*	0.038
	HR	98.03±13.68	91.47±14.98	84.22±9.220*	<0.0005
@immediately after intubation	SBP	134.75±7.41	127.13±9.35*	122.69±7.45*	<0.0005
	MAP	104.97±11.56	95.31±12.77*	93.53±9.18*	<0.0005
	HR	106.22±16.09	99.25±21.31	99.69±20.25	0.277
@5th min after induction	SBP	131.06±6.63	125.50±8.33*	120.09±6.29*,**	<0.0005
	MAP	98.09±11.26	94.59±7.93	91.22±7.35*	0.012
	HR	95.69±18.61	95.66±21.01	89.13±9.60	0.216
@10th min after induction	SBP	128.63±9.72	122.25±8.34*	120.31±3.23*	<0.0005
	MAP	95.63±10.61	93.34±10.22	93.31±8.79	0.565
	HR	89.16±14.70	90.06±14.73	87.59±9.59	0.752
@15th min after induction	SBP	124.78±10.80	119.69±9.32	120.72±5.15	0.053
	MAP	94.69±10.51	93.09±11.42	93.22±11.62	0.819
	HR	88.81±14.38	87.84±12.71	87.00±11.27	0.853
@30th min after induction	SBP	123.59±6.50	121.22±4.55	121.59±5.37	0.187
	MAP	92.56±10.16	90.63±11.88	91.34±6.05	0.721
	HR	87.75±14.36	88.28±12.46	84.13±10.47	0.357
@immediately after extubation	SBP	133.09±6.31	127.59±6.36*	124.56±5.22*	<0.0005
	MAP	102.63±13.45	99.22±11.82	95.41±5.76*	0.033
	HR	95.00±15.60	97.97±14.02	94.47±10.45	0.539
@5th min after extubation	SBP	129.63±6.54	125.88±7.35	123.31±9.63*	0.008
	MAP	96.28±12.39	96.59±14.07	95.28±9.38	0.902
	HR	91.91±13.89	93.75±14.70	93.75±14.03	0.836
@10th min after extubation	SBP	124.34±11.12	121.47±7.70	122.16±7.73	0.413
	MAP	91.28±9.99	90.50±9.45	90.19±5.75	0.872
	HR	86.38±9.68	84.13±8.96	88.56±10.86	0.204

HR, heart rate; MAP, mean arterial pressure; SBP, systolic blood pressure.

^* P<0.05 compared to Group 1 (Control group).

^** P<0.05 compared to Group 2.