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Table 7 Positive predictive value for safe discharge and Youden’s index for novel score cut-off in the derivation cohort

From: Safe discharge for patients admitted for lower gastrointestinal bleeding (LGITB): derivation and validation of a novel scoring system

Cut-off

PPV for safe discharge

Youden’s index

 ≤ 1

100%

0.094

 ≤ 1.5

98.0%

0.095

 ≤ 2

96.9%

0.178

 ≤ 2.5

95.7%

0.291

 ≤ 3

95.8%

0.342

 ≤ 3.5

95.4%

0.383

 ≤ 4

95.1%

0.425

 ≤ 4.5

91.7%

0.505

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BMC Gastroenterology

ISSN: 1471-230X

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