Fig 1.
Flow chart of patient selection.
LGIB, lower gastrointestinal bleeding; UGIB, upper gastrointestinal bleeding.
Table 1.
Multivariate predictors of severe LGIB (NOBLADS factors) as defined in the previous study (n = 439).
[14].
Table 2.
Patient characteristics.
Fig 2.
Prediction of severe bleeding using the NOBLADS score in the external validation cohort.
Error bars show the standard errors.
Fig 3.
Receiver operator characteristic curves of NOBLADS scores for severe LGIB in the derivation (n = 439)[14], internal validation (n = 161)[14], and external validation cohorts (n = 511).
AUC, area under receiver operating characteristic curve.
Fig 4.
Prediction of adverse clinical outcomes using the NOBLADS score in the external validation cohorts.
A, proportion of patients who required blood transfusions; B, mean length of stay in hospital; C, proportion of patients who required intervention; and D, proportion of death during hospitalization. Error bars show the standard errors.