Variación de la estancia preoperatoria en España según grupos de edad, sexo y modo de acceso hospitalario (urgente o programado)

The POS depends on determining factors such as hospital planning and organization, but also depends on some factors of the process and the patient. Ageing should not cause problems in the emergency surgical in-patient, but must be best managed in the scheduled ones. Adequate management of preoperative studies is essential to reduce the POS, the length of stay and the direct costs of hospitalization.