Table 3 Predictive performance of five parameters to predict fluid responsiveness.
Parameters | AUC (CI95%) | Optimal threshold | Grey zone | Patients in grey zone (%) | Sensitivity (%) (CI95%) | Specificity (%) (CI95%) | Youden index | PLR | NLR |
|---|---|---|---|---|---|---|---|---|---|
FTcBaseline | 0.87(0.76–0.98) | 332ms | 318-335ms | 15 (29%) | 85(69–93) | 83(61–94) | 0.681 | 5.09 | 0.18 |
ΔVpeakCA | 0.83(0.72–0.95) | 10% | 9–13% | 22 (43%) | 82(66–91) | 78(55–91) | 0.590 | 3.68 | 0.23 |
PPV | 0.75(0.61–0.89) | 7.5% | 6.5–9.5% | 20 (39%) | 79(62–89) | 56(34–75) | 0.343 | 1.77 | 0.38 |
SVV | 0.76(0.61–0.90) | 11.5% | 10.5–14.5% | 21 (41%) | 76(59–87) | 67(44–84) | 0.424 | 2.28 | 0.36 |
ΔSVITrend | 0.89(0.80–0.98) | 14.5% | 12.5–21.5% | 15 (29%) | 82(66–91) | 83(61–94) | 0.652 | 4.91 | 0.22 |
