Table 3.

Inclusion and exclusion criteria

Inclusion criteria	Exclusion criteria
Prediction of in-hospital mortality should be the main aim of the study	Studies which are conference articles, posters, abstracts, books or book chapters and review articles.
The study should be done at ED.	Studies which were done in paediatrics field.
The study should be done on adult patients.	Non-English studies.
ML algorithms should be used for the prediction task.
Vital signs variables should be among the predictors used to build ML models.

ED, emergency department; ML, machine learning.