Left

Right
Inferior (max)

3.0

2.0
Superior (max)

1.5

2.5
Average

1.05 inferior

0.01 inferior

Left valve more inferior (n)

Both valves at same level (n)

Right valve more inferior (n)

18

32

10
(in cm), Total: 60 subjects
Table 1: Position of internal jugular venous valves relative to the clavicle.