Application of cardiovascular interventions to decrease blood loss during hepatectomy: a systematic review and meta-analysis

Table 2 Results of the subgroup analyses

	MD (mL)/RR	95% CI	I²	P value
Blood loss
IVC clamping	-193.46	-339.85 to -47.07	74%	0.01
Anesthetic technique	-607.78	-962.25 to-253.31	98%	< 0.001
Number of patients requiring transfusion
IVC clamping	0.43	0.21 to 0.89	0%	0.02
Anesthetic technique	0.48	0.34 to 0.69	0%	< 0.001
Complications
IVC clamping	0.70	0.52 to 0.94	0%	0.02
Anesthetic technique	0.95	0.53 to 1.71	0%	0.86

ISSN: 1471-2253