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Table 3 The diagnostic accuracy of fecal weight in diagnosing malabsorption in ICU patients

From: Malabsorption and nutritional balance in the ICU: fecal weight as a biomarker: a prospective observational pilot study

Cut-off point (g/day feces) Sensitivity (%) Specificity (%) Positive predictive value (%) Negative predicted value (%) Youden index ROC AUC
230 80 81 47 97 0.61 0.804
250 90 85 53 98 0.75 0.876
300 80 92 67 96 0.72 0.875
350 80 96 80 96 0.76 0.879
375 70 96 86 94 0.66 0.829
400 60 100 100 92 0.60 0.800
  1. AUC, area under the curve; ROC, receiver operator curve.