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Table 2 Impact of norepinephrine on the ability of PVI to discriminate between ΔPP > 13% and ΔPP ≤13%

From: Impact of norepinephrine on the relationship between pleth variability index and pulse pressure variations in ICU adult patients

  PVI
threshold
Sensitivity
(95% confidence interval)
Specificity
(95% confidence interval)
+PV -PV +LR -LR
All patients 11% 70%
(47%-87%)
71%
(55%-84%)
57% 81% 2.38 0.43
NE(+) 10% 59%
(28%-85%)
61%
(39%-80%)
44% 74% 1.49 0.68
NE(-) 10% 100%
(71%-100%)
72%
(47%-90%)
69% 100% 3.60 0.00
  1. ΔPP, respiratory-induced variations in pulse pressure; +LR, positive likelihood ratio; -LR, negative likelihood ratio; NE(+), patients receiving norepinephrine; NE(-), patients not receiving norepinephrine; +PV, positive predictive values; -PV, negative predictive values; PVI, Pleth Variabilty Index.