Table 2. Hemodynamic Changes During Surgery.

	Propofol (n = 30)	Midazolam (n = 30)	Control (n = 30)	P Value (between groups) a
Systolic, mmHg				0.67
Before anesthesia (basic)	123.1 ± 10.3b	124.7 ± 10.2	125.1 ± 10.9
After induction of anesthesia	108.2 ± 14.1	109.8 ± 11.6	110.6± 11.1
Before drug administration	107.7 ± 11.1	111.8 ± 9.7	109.3 ± 10.6
After drug administration	102.4 ± 19.3	101.4 ± 19.1	107.5 ± 8.8
Diastolic, mmHg				0.81
Before anesthesia (basic)	79.2 ± 10.8	78.0 ± 9.7	80.6 ± 9.07
After induction of anaesthesia	63.7 ± 12.0	63.4 ± 12.7	64.4 ± 12.4
Before drug administration	63.5 ± 12.9	63.0 ± 10.6	61.2 ± 10.6
After drug administration	55.0 ± 9.4	53.5 ± 11.8	59.4 ± 10.9
Mean, mmHg				0.21
Before anesthesia (basic)	90.8 ±12.8	91.8 ± 11.4	97.0 ± 8.8
After induction of anesthesia	76.4 ± 14.4	79.4 ± 11.2	79.7 ± 11.4
Before drug administration	75.2 ± 11.0	77.8 ± 9.4	74.7 ± 10.7
After drug administration	70.1 ± 9.0	69.1 ± 10.5	73.4 ± 9.6
HR, beat/min				0.29
Before anesthesia (basic)	99.6 ±17.1	97.2 ± 15.3	95.0 ± 14.6
After induction of anesthesia	101.9 ± 17.7	97.8 ± 18.0	95.6 ± 16.7
Before drug administration	99.0 ± 16.9	95.8 ± 16.7	95.7 ± 18.3
After drug administration	99.2 ± 16.8	99.1 ± 11.0	93.6 ± 13.3
P value within groups a
BP	< 0.001	< 0.001	< 0.001
HR	0.79	0.83	0.41

^aP < 0.05 is considered significant, between groups.

^bData are presented as Mean ±SD.