Table 1.

VCDi and IVCCI cutoffsa

VCDi (mm/m2)IVCCI (%)
Hypovolemia<8>75
Euvolemia≥8 and ≤11.5≥40 and ≤75
Hypervolemia>11.5<40
  • a IVCCI, inferior vena cava collapsibility index; VCDi, inferior vena cava diameter.