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Table 2 Common Femoral Vein Area (mm2) in supine vs. prone positioning and dehydration vs. hydration status in 8 volunteers

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

Patient Position

Common Femoral Vein Area (mm2)

 

Dehydrated

Hydrated

P value

Supine

59 ± 21

78 ± 28

0.001

Prone

83 ± 35

123 ± 44

0.002

P value

0.02

0.0007