Prognostic value of the calling criteria in patients receiving a medical emergency team review.

Aim: To describe the reasons for medical emergency team (MET) activation, and to verify the association of the MET score with 30-day mortality.

Methods: This retrospective observational study took place in a 794-bed university-affiliated hospital. The population included all adult admissions reviewed by the MET during the period between January 2007 and June 2008.