Table 3.
Comparison of mean arterial pressure, heart rate, IVC collapsibility index, mean CVP pressure, and maximum and minimum IVC diameter of patients in the three groups of intravascular volume states
| Parameters | CVP < 8 mmHg (n = 12) | CVP 8–12 mmHg (n = 42) | CVP > 12 mmHg (n = 22) | anova (P‐value) |
|---|---|---|---|---|
| Mean arterial pressure (mmHg) | 70.2 ± 14.2 | 75.0 ± 16.3 | 72.63 ± 12.4 | 0.625 |
| Heart rate (per minute) | 90.7 ± 12.9 | 89.6 ± 24.9 | 92.70 ± 21.5 | 0.065 |
| Mean CVP pressure (mmHg) | 6.4 ± 1.8 | 10.6 ± 2.4 | 15.7 ± 3.5 | 0.001 |
| IVCDmax (cm) | 1.6 ± 1.9 | 1.8 ± 2.56 | 2.3 ± 1.6 | 0.004 |
| IVCDmin (cm) | 1.0 ± 0.7 | 1.4 ± 0.51 | 2.1 ± 0.9 | 0.001 |
| IVCCI (%) | 51.5 ± 7.5 | 30.2 ± 10.1 | 20.7 ± 8.9 | 0.001 |
CVP, central venous pressure; IVC, inferior vena cava; IVCCI, IVC collapsibility index; IVCDmax, maximum IVC diameter; IVCDmin, minimum IVC diameter.