Table 2. Baseline hemodynamic variables in responders and non-responders during PLR test.
| Total (n=65) | Non-responders (n=34) | Responders (n=31) | P value | |
|---|---|---|---|---|
| IAP, mean ± SD (cmH2O) | 12±4 | 12±4 | 13± 4 | 0.542 |
| HR, mean ± SD (/min) | 90±21 | 88±21 | 98±18 | 0.058 |
| MAP, mean ± SD (mmHg) | 81±14 | 84±14 | 73±11 | 0.005 |
| CVP, mean ± SD (cmH2O) | 9±5 | 10±5 | 7±3 | 0.043 |
| SV, mean ±SD (mL) | 67±26 | 72±27 | 52±16 | 0.007 |
| CO, mean ± SD (L/min) | 5.9±3.5 | 6.4±3.9 | 4.6±1.3 | 0.072 |
SD, standard deviation; IAP, intra-abdominal pressure; HR, heart rate; MAP, mean arterial pressure; CVP, central venous pressure; Sv, stroke volume; CO, cardiac output.