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Table 4 Common Iliac Vein Volume (cm3) in supine vs. prone positioning with dehydration vs. hydration in 8 volunteers

From: Pelvic cardiovascular magnetic resonance venography: venous changes with patient position and hydration status

Patient Position

Common Iliac Vein Volume (cm3)

 

Dehydrated

Hydrated

P value

Supine

4.6 ± 1.8

5.8 ± 2.1

<0.01

Prone

5.4 ± 1.9

6.7± 2.1

<0.01

P value

<0.001

<0.001