Table 3. Comparison of Mean Arterial Pressure and Heart Rate in Two Treatment Groups in Start and End of Anesthesia^a.

	Ephedrine Group (N = 28)	Norepinephrine Group (N = 28)	P Value
Beginning of anesthesia
MAP	101.78 ± 16.64	101.28 ± 12.62	0. 020
HR	75.78 ± 10.11	71.35 ± 10.86	0.12
At the end of anesthesia
MAP	91.48 ± 10.93	98.85 ± 12.65	< 0.001
HR	77.5 ± 9.22	70.5 ± 10.75	0.012

Abbreviations: HR, heart rate; MAP, mean arterial pressure.

^a Values are expressed as mean ± SD.