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Table 3 Performance of abdominal CT-scan findings in the diagnosis of non-occlusive mesenteric ischemia

From: Diagnosis of non-occlusive acute mesenteric ischemia in the intensive care unit

Radiological sign Definite NOMI (n = 75) (%) NOMI ruled out (n = 39) (%) Odds ratio p Sensitivity % Specificity % PPV % NPV %
Abnormal wall enhancement 62.0 28.6 4.07 (1.70–9.78) <0.001 62 (50–73) 71 (54–85) 81 (69–91) 48 (34–62)
Pneumatosis intestinalis 32.4 15.4 2.64 (0.97–7.16) 0.07 32 (22–44) 85 (69–94) 80 (61–92) 40 (29–51)
Bowel dilatation 62.2 56.4 1.27 (0.58–2.79) 0.69 62 (50–73) 44 (28–60) 68 (55–78) 38 (24–53)
Portal venous gas 18.9 5.1 4.32 (0.93–20.09) 0.05 19 (11–30) 95 (83–99) 88 (62–98) 38 (28–49)
Atherosclerosis 90.6 82.0 2.09 (0.68–6.48) 0.23 91 (81–96) 18 (8–34) 68 (58–77) 50 (23–77)
  1. Values in brackets represent the 95% confidence interval
  2. NOMI non-occlusive mesenteric ischemia, NPV negative predictive value, PPV positive predictive value