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Table 4 Predictive capabilities of computed tomography-based estimation of global end-diastolic volume index

From: Computed tomography to estimate cardiac preload and extravascular lung water. A retrospective analysis in critically ill patients

  CT-based estimation of GEDVI vs. TPTD-derived GEDVI
GEDVI < 680 mL/m2 GEDVI = 680 - 800 mL/m2 GEDVI > 800 mL/m2
Radiologist 1 Sensitivity 0 (0 to 23) 44 (14 to 79) 86 (42 to 99)
  Specificity 100 (79 to 100) 52 (30 to 74) 57 (34 to 77)
  PPV not estimable due to zero counts in numerator 29 (8 to 58) 38 (15 to 65)
  NPV 53 (34 to 72) 69 (41 to 89) 93 (66 to 99)
Radiologist 2 Sensitivity 0 (0 to 23) 44 (14 to 79) 57 (18 to 90)
  Specificity 100 (79 to 100) 62 (38 to 82) 39 (20 to 61)
  PPV not estimable due to zero counts in numerator 33 (10 to 65) 22 (6 to 48)
  NPV 53 (34 to 72) 72 (47 to 90) 75 (43 to 95)
  1. Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV) given as percentages with 95% confidence intervals (95% CI) in parentheses for computed tomography (CT)-based estimations of global end-diastolic volume index (GEDVI) with regard to GEDVI derived from transpulmonary thermodilution (TPTD) are shown separately for radiologist 1 and radiologist 2.