Table 2

Comparison of stroke volume and cardiac output in patients with a low and high caval index after 1000 mL 0.9% NaCl

Low caval index
(n=9)
p ValueHigh caval index
(n=19)
p Value
BaselineAfter 1000 mLBaseline (CI)After 1000 mL
SV (mL)69.2 (53.7 to 83.2)55.6 (44.6 to 97.5)0.95366.4 (55.6 to 70.3)77.9 (57.3 to 100.7)0.022
CO (L/min)6.4 (6.2 to 8.1)5.7 (5.2 to 9.0)0.5146.4 (5.9 to 7.9)7.9 (5.5 to 8.9)0.117
  • p Value: statistical difference in parameters between baseline and after a fluid bolus of 1000 mL, 0.9% NaCl.

  • p ΔL-ΔH: statistical difference between a low and high caval index.

  • CO, cardiac output; NaCl, sodium chloride; SV, stroke volume.