Skip to main content

Table 3 Performance parameters of the different VExUS grading systems assessed at ICU admission to predict acute kidney injury in 145 patients after cardiac surgery

From: Quantifying systemic congestion with Point-Of-Care ultrasound: development of the venous excess ultrasound grading system

Grading systemGradeSpecificity (CI)Sensitivity (CI)+LR (CI)− LR (CI)
VExUS A141% (31–51%)73% (59–85)1.24 (0.98–1.57)0.65 (0.40–1.07)
267% (56–76%)55% (40–69%)1.65 (1.13–2.42)0.67 (0.49–0.93)
386% (78–92%)39% (26–54%)2.86 (1.54–5.30)0.71 (0.56–0.89)
VExUS B141% (31–51%)73% (59–85%)1.24 (0.98–1.57)0.65 (0.40–1.07)
267% (56–76%)55% (40–69%)1.65 (1.13–2.42)0.67 (0.49–0.93)
377% (67–85%)43% (29–58%)1.87 (1.15–3.05)0.74 (0.58–0.95)
VExUS C141% (31–51%)73% (59–85%)1.24 (0.98–1.57)0.65 (0.40–1.07)
287% (78–92%)39% (26–54%)2.86 (1.55–5.30)0.71 (0.56–0.89)
396% (89–99%)27% (15–41%)6.37 (2.19–18.5)0.77 (0.65–0.91)
VExUS D252% (42–62%)61% (46–74%)1.28 (0.94–1.73)0.74 (0.51–1.08)
370% (59–79%)45% (31–60%)1.49 (0.96–2.29)0.79 (0.61–1.03)
VExUS E279% (69–87%)41% (27–56%)1.96 (1.17–3.28)0.75 (0.59–0.95)
393% (85–97%)29% (17–43%)3.92 (1.69–9.07)0.77 (0.64–0.92)
Portal Doppler onlyMild73% (64–82%)39% (25–52%)1.46 (0.90–2.37)0.83 (0.65–1.08)
Severe91% (86–97%)27% (14–39%)3.12 (1.39–7.01)0.80 (0.67–0.96)
Hepatic vein Doppler onlyMild56% (46–66%)51% (37–65%)1.16 (0.81–1.66)0.88 (0.62–1.23)
Severe84% (76–91%)34% (20–48%)2.11 (1.15–3.89)0.79 (0.63–0.98)
Renal Doppler onlyMild80% (72–88%)45% (31–59%)2.27 (1.36–3.77)0.69 (0.52–0.90)
Severe94% (89–99%)25% (12–37%)3.92 (1.57–9.81)0.81 (0.68–0.95)
CVP≥ 8 mmHg48% (37–59%)77% (61–88%)1.47 (1.13–1.90)0.49 (0.28–0.86)
≥ 10 mmHg66% (55–75%)58% (42–73%)1.71 (1.16–2.51)0.64 (0.44–0.91)
≥ 12 mmHg83% (73–90%)33% (20–49%)1.91 (1.02–3.59)0.81 (0.66–1.01)
  1. CI confidence intervals, CVP central venous pressure, +LR positive likelihood ratio, − LR negative likelihood ratio