From: 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
Gender
Group
Total
P
ECG
Formula
Landmark
Female
Count
13
12
8
33
0.366
% within group
43.3%
40.0%
26.7%
36.7%
Male
17
18
22
57
56.7%
60.0%
73.3%
63.3%
30
90
100.0%