[Hiperfrequency in mental health hospital emergencies: case-control study.].

Objective: To ensure the efficiency of the operation of the Emergency Department, specific mental health studies are needed. The purpose of the study was to identify and quantify the sociodemographic, clinical and organizational factors associated with the hyperfrequency of hospital Mental Health emergency departments in the three central areas of Asturias.

Methods: A retrospective case-control study was carried out.