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Table 4 The areas under the curve in receiver operating characteristics curve (ROC) analysis

From: Pre-anesthesia ultrasound monitoring of subclavian vein diameter changes induced by modified passive leg raising can predict the occurrence of hypotension after general anesthesia: a prospective observational study

Parameter

ROC

95%CI

P-value

DSCVmax1

0.45

0.32–0.57

0.39

DSCV-CI1

0.54

0.43–0.66

0.51

DSCVmax2

0.53

0.41–0.65

0.68

DSCV-CI2

0.57

0.45–0.70

0.27

ΔDSCV

0.75

0.63–0.87

 < 0.001

  1. DSCVmax Maximum value of Subclavian Vein Diameter, DSCV-CI Collapsibility Index of Subclavian Vein Diameter
  2. DSCVmax1, DSCV-CI1 DSCVmax, DSCV-CI in supine
  3. DSCVmax2,DSCV-CI2 DSCVmax,DSCV-CI in Passive leg raising test(PLR)
  4. ΔDSCV Subclavian Vein Diameter changes induced by PLR,95%CI 95% Confidence Interval