Table 2.

Volume of intravenous fluid administered and use of vasopressor therapy in the three groups

	CVP group n = 45	SV group n = 45	SV & DPX group n = 45	P
Intra-operative period
Intravenous crystalloid during surgery (ml)	3595 (1354)	4057 (1495)	4159 (1393)	0.15
Intravenous colloid during surgery (ml)	756 (815)	835 (688)	709 (559)	0.69
Intervention period
Intravenous crystalloid during study period (ml)	639 (281)	652 (237)	626 (250)	0.98
Intravenous colloid during study period (ml)	1104 (553)	1227 (555)	1307 (549)	0.22
Patients receiving vasopressor therapy (%)	7 (16%)	8 (18%)	5 (11%)	0.82

Data presented as mean (standard deviation) or absolute values (%). CVP, central venous pressure; DPX, dopexamine; SV, stroke volume.