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)
| 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 |
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.