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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.