Table 2 The predictive values of HR, stroke volume, COP and ACA PSV for hemodynamically significant anemia of prematurity
From: Hemodynamically significant anemia as an indication of transfusion in preterm infants
P | AUC | 95% C.I | Cut off | Sensitivity | Specificity | PPV | NPV | |
|---|---|---|---|---|---|---|---|---|
HR | < 0.001* | 0.767 | 0.658–0.876 | ≥ 151b/min | 72.2 | 66.7 | 68.4 | 70.6 |
Stroke volume | < 0.001* | 0.793 | 0.691–0.895 | ≥ 1.69 ml/kg | 72.2 | 72.2 | 72.2 | 72.2 |
LVO | < 0.001* | 0.862 | 0.778–0.946 | ≥ 260.2 ml/kg/min | 80.6 | 77.8 | 78.4 | 80 |
ACA PSV | 0.001* | 0.732 | 0.615–0.848 | ≥ 38.65 cm/sec | 66.7 | 69.4 | 68.6 | 67.6 |