Table 4 Diagnostic performance of portal pulsatility index and venous renal flow pattern to predict appropriate diuretic-induced fluid depletion
Variables | AUC (CI95%) | Cutoff value | Sensitivity (%) | Specificity (%) | Positive predictive value | Negative predictive value |
|---|---|---|---|---|---|---|
Portal pulsatility index baseline | 0.80 (CI95%: 0.70–0.92) | 20% | 91 (76–98) | 39 (25–54) | 52 (46–58) | 86 (66–95) |
35% | 59 (41–75) | 98 (89–100) | 95 (74–99) | 77 (69–83) | ||
Venous renal flow pattern baseline | 0.72 (CI95%: 0.61–0.84) | 2 | 59 (41–75) | 81 (67–91) | 69 (54–81) | 73 (64–81) |
3 | 12 (3–28) | 100 (93–100) | 100 | 61 (58–64) | ||
VEXUS baseline | 0.66 (CI95%: 0.53–0.79) | 2 | 44 (27–62) | 89 (77–96) | 75 (55–88) | 69 (62–75) |
Portal pulsatility index 2 hours | 0.72 (CI95%: 0.63–0.86) | 20% | 82 (66–95) | 41 (27–57) | 51 (44–58) | 76 (59–88) |
35% | 53 (35–70) | 89 (76–96) | 78 (59–90) | 72 (64–79) | ||
Venous renal flow pattern 2 hours | 0.77 (CI95%: 0.67–0.87) | 2 | 68 (50–83) | 81 (67–91) | 72 (58–83) | 78 (68–85) |
3 | 9 (2–24) | 100 (93–100) | 100 | 60 (58–63) | ||
VEXUS 2 hours | 0.67 (CI95%: 0.50–0.8) | 2 | 35 (19–53) | 93 (82–99) | 80 (55–93) | 67 (61–72) |