Comparison of a loading dose of dexmedetomidine combined with propofol or sevoflurane for hemodynamic changes during anesthesia maintenance: a prospective, randomized, double-blind, controlled clinical trial

Table 3 Incidence rates of increasing blood pressure in test groups

	P + DEX group (n = 20)	S + DEX group (n = 20)	Chi-square test P value
SBP increased significantly at T10
compared to T0	17(85%)	3(15%)	<0.001
compared to baseline	8(40%)	1(5%)	0.023
DBP increased significantly at T10
compared to T0	16(80%)	3(15%)	<0.001
compared to baseline	11(55%)	1(5%)	0.001
MAP increased significantly at T10
compared to T0	16(80%)	1(5%)	<0.001
compared to baseline	10(50%)	1(5%)	0.001

Values are numbers (proportion)
SBP Systolic blood pressure, DBP Diastolic blood pressure, MAP Mean arterial pressure, T0 Just before continuous intravenous infusion of study drug, T10 The end of continuous intravenous infusion of study drug

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