Table 5.

Summary Statistics for Measurements of Adult Patient Internal Jugular Vein Anatomy, n=228

Anatomic VariableMean ± SDMinimum, Median, Maximum
Diameter
 Anteroposterior11.6 ± 3.05, 11, 20
 Medial-lateral16.7 ± 4.86, 16, 30
 Anteroposterior: medial-lateral ratio0.7 ± 0.20.3, 0.7, 1.3
Distance
 Skin to superficial-most portion of wall (Dsuperf)10.6 ± 3.63, 10, 25
 Skin to mid-lumen (Dmid)16.7 ± 3.98, 17, 30
 Skin to deepest portion of wall (Ddeep)22.6 ± 4.811, 23, 38
 Mid-lumen to deepest portion of wall (Ddeep – Dmid)5.9 ± 1.82, 6, 13
  • Note: All measurements taken perpendicular to plane of skin in mm except for (unitless) diameter ratio.