Reliability of intra-atrial ECG method of insertion of central venous line through right internal jugular vein when compared to formula and radiological landmark method: a prospective randomized study

Ain-Shams Journal of Anesthesiology

Table 3 Location of CVC tip at SVC–RA junction

CVC tip position		Group			Total	P
CVC tip position		ECG	Formula	Landmark	Total	P
Within 2 cm above junction	Count	23	5	25	53	0.001
Within 2 cm above junction	% within group	76.7%	16.7%	83.3%	58.9%
Junction-within 1 cm below junction	Count	7	2	3	12
Junction-within 1 cm below junction	% within group	23.3%	6.7%	10.0%	13.3%
> 1 below junction	Count	0	23	2	25
> 1 below junction	% within group	0.0%	76.7%	6.7%	27.8%
Total	Count	30	30	30	90
Total	% within group	100.0%	100.0%	100.0%	100.0%