Continuous central venous oxygen saturation assisted intraoperative hemodynamic management during major abdominal surgery: a randomized, controlled trial

Table 2 Intraoperative interventions. Data are shown as mean ± SD or median (interquartile)

	ScvO₂ (n = 38)	Control (n = 41)	p
Crystalloid (ml/h)	1126 ± 471	1049 ± 431	0.46
Colloid (ml/h)	279 (161)	107 (250)	<0.001*
Number of patients needing vasopressor	11	15	0.47
Dose of vasopressor (mcg/h)	37 (107)	18 (73)	0.84
Number of patients receiving blood transfusion	24	15	0.02*
Blood loss during the operation (ml)	973 ± 473	983 ± 574	0.99

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