From: Mixed venous O2 saturation and fluid responsiveness after cardiac or major vascular surgery
AUC | P | Cutoff | Sens. | Spec. | PPV | NPV | |
---|---|---|---|---|---|---|---|
(95% confidence interval) | |||||||
For increase in CI ≥15% | |||||||
SvO2, % | 0.65 (0.44 to 0.86) | 0.17 | 77 | ||||
Change in SvO2, % | 0.73 (0.56 to 0.86) | 0.007 | 2 | 77 | 73 | 87 | 57 |
GEDVI, mL/m2 | 0.67 (0.47 to 0.88) | 0.10 | 899 | 68 | 70 | 81 | 54 |
Change in GEDVI, mL/m2 | 0.82 (0.65 to 1.0) | <0.001 | 13 | 95 | 60 | 82 | 86 |
For increase in SVI ≥15% | |||||||
SvO2, % | 0.60 (0.40 to 0.81) | 0.29 | 77 | 87 | 50 | 74 | 70 |
Change in SvO2, % | 0.68 (0.50 to 0.82) | 0.04 | 2 | 78 | 64 | 78 | 64 |
GEDVI, mL/m2 | 0.58 (0.38 to 0.76) | 0.48 | 899 | 69 | 62 | 69 | 62 |
Change in GEDVI, mL/m2 | 0.83 (0.65 to 0.94) | <0.001 | 92 | 75 | 92 | 92 | 75 |
For increase in CI ≥15% at high and low GEF | |||||||
Change in SvO2, % | |||||||
GEF >20% | 0.57 (0.23 to 0.92) | 0.68 | 3 | 0 | 71 | 0 | 42 |
GEF ≤20% | 0.94 (0.81 to 1.0) | <0.001 | 2 | 92 | 100 | 100 | 95 |
GEDVI, mL/m2 | |||||||
GEF >20% | 0.80 (0.53 to 1.0) | 0.02 | 755 | 71 | 86 | 83 | 75 |
GEF ≤20% | 0.81 (0.58 to 1.0) | 0.008 | 1028 | 75 | 100 | 100 | 50 |
Change in GEDVI, mL/m2 | |||||||
GEF >20% | 0.76 (0.47 to 0.94) | 0.10 | 49 | 86 | 71 | 75 | 83 |
GEF ≤20% | 0.92 (0.73 to 1.0) | <0.001 | 92 | 75 | 100 | 100 | 50 |