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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.
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Critical Care

ISSN: 1364-8535