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Table 8 Clinical predictive model for severe LGIB with sensitivity, specificity, PPV and NPV

From: A clinical predictive model for risk stratification of patients with severe acute lower gastrointestinal bleeding

Score

Sensitivity (%)

Specificity (%)

PPV (%)

NPV (%)

 ≥ 1

91.9

39.8

45

90.2

 ≥ 2

57

83.9

65.5

78.5

 ≥ 3

18.8

97.8

82.4

69.3

 ≥ 4

3.1

100

100

65.9

 ≥ 5

0.4

100

100

65.3

  1. *No patient had a maximum score of 6
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World Journal of Emergency Surgery

ISSN: 1749-7922