Table 4.
Receiver operating characteristic curve analysis of superior mesenteric artery resistance index and end-diastolic velocity in predicting lactate kinetics.
| Lactate kinetics | Variable | ROC area | P | 95% CI | Cut-off value | Sensitivity % | Specificity % |
|---|---|---|---|---|---|---|---|
| 2-h | SMA-RI | 0.8298 | <0.0001* | 0.7160–0.9436 | 0.83 | 86.38 | 75.56 |
| >10% | SMA-EDV | 0.8434 | <0.0001* | 0.7409–0.9459 | 19.70 cm/s | 81.82 | 77.78 |
| 6-h | SMA-RI | 0.7708 | 0.0012* | 0.6391–0.9026 | 0.83 | 75.00 | 64.71 |
| >40% | SMA-EDV | 0.6906 | 0.0222* | 0.7409–0.9459 | 16.25 cm/s | 87.50 | 50.98 |
*
P < 0.05 ROC, Receiver operating characteristic; SMA-RI, resistance index of the superior mesenteric artery; SMA-EDV, end-diastolic velocity of the superior mesenteric artery; CI, confidence interval.