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Table 3 Polar analysis data between SVV and PPV, PPV apnea and SPV during experimental conditions without phenylephrine (PHE-; BL and BW) and with phenylephrine (PHE+; BL + PHE and BW + PHE)

From: The increase of vasomotor tone avoids the ability of the dynamic preload indicators to estimate fluid responsiveness

  

Concordance rate (%)

Mean angular bias (°)

Radial limits of agreement (°)

 

PPV

91

2.2

21

PHE-

PPVapnea

95

-3.2

21

 

SPV

76

-4.1

26

 

PPV

56

2.9

29

PHE+

PPVapnea

53

-5.1

19

 

SPV

43

-14.1

26

  1. PPV: Pulse pressure variation; PPVapnea: PPV using PP during apnea as denominator; SVV: Stroke volume variation; SPV: Systolic pressure variation. BL: Basal; BW: Blood withdrawal.
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