Central Venous Catheter Insertion: A Scoring System for Evaluation of Both the Procedure and the Operator (CVCI Score/Gaber Score)

Table 8

Comparison between landmark and ultrasound in SV group (B) according to success rate.

Success rate	Landmark SV (n = 100)		Ultrasound SV (n = 100)		χ^2
	No.	%	No.	%
Success rate	93	93.0	97	97.0	1.684	0.194
Failure rate	7	7.0	3	3.0	1.684	0.194