Effectiveness and Safety of Controlled Venous Pressure in Liver Surgery: A Systematic Review and Network Meta-Analysis

Table 4

Network analysis results between IVCC and IAC.

Outcomes	Direct comparison		Indirect comparison
	MD (95% CI)		MD (95% CI)	GRADE
Central venous pressure	0.76 (−1.17, 2.70)	0.05	1.6 (−0.24, 3.44)	High
Total blood loss	−346.0 (−423.89, −268.12)	<0.0001	180.81 (−72.4, 433.66)	Low
Blood loss during transection	−249.22 (−288.84, −209.61)	<0.0001	677.69 (325.73, 1029.65)	Low
Operation time	−10.0 (−18.73, −1.28)	0.02	5.02 (−11.26, 21.3)	Moderate
Liver transected time	−2.17 (−3.23, −1.11)	<0.0001	2.12 (−1.62, 5.86)	Low
	RR (95% CI)		RR (95% CI)	Grade
Transfusion rate	0.83 (0.52, 1.32)	0.44	0.82 (0.45, 1.51)	High
Total complications	0.97 (0.77, 1.23)	0.80	1.22 (0.85, 1.76)	High

GRADE: Grading of Recommendations, Assessment, Development, and Evaluation.