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Table 3 Diagnostic capability of dynamic parameters to predict fluid responsiveness

From: Comparison of superior and inferior vena cava diameter variation measured with transthoracic echocardiography to predict fluid responsiveness in mechanically ventilated patients after abdominal surgery

Parameters

AUC curve (95% CI)

P-value

Optimal cut-off value

Sensitivity (%) (95% CI)

Specificity (%) (95% CI)

Youden index

Gray zones

Patients in gray zones (%)

SVCCI

0.885 (0.786–0.949)

 < 0.0001

 > 0.19

93.3 (77.9–99.2)

75 (58.8–87. 3)

0.683

0.2–0.25

11 (15.7)

dIVC*

0.727 (0.608–0.827)

0.0003

 > 0.14

80 (61.4–92.3)

62.5 (45.8–77.3)

0.425

0.07–0.27

44 (62.9)

SVCV*

0.751 (0.633–0.847)

 < 0.0001

 > 0.15

60 (40.6–77.3)

80 (64.4–90.9)

0.4

0.09–0.21

35 (50)

  1. *SVCCI versus dIVC, P = 0.0369; SVCCI versus SVCV, P = 0.0372