Many terms in healthcare have precise definitions. The definitions provided below are intended to clarify terms that are used in describing quality of care provided to patients at Cedars-Sinai Medical Center.

Average Length of Stay (ALOS): This refers to the average number of days a patient stays at Cedars-Sinai Medical Center after being admitted as an inpatient. The goal is to ensure that all patients are appropriately treated in the hospital for their respective conditions, and are not hospitalized longer than they need to be.

Board Certification: The process by which a physician is tested in a medical specialty field. The requirements are determined by a board of specialists in that field, and demonstrate a physician's expertise in it.

Center of Excellence Data: The following information applies to members of the Cedars-Sinai medical staff who are members of a specific Center of Excellence. To become members of a Center of Excellence, physicians must meet certain criteria, including volume and board certification.

Clinical trials: Closely monitored trials to evaluate the effectiveness and safety of medications, treatments or medical devices by monitoring their effects on large groups of people. Cedars-Sinai is committed to ongoing research to discover new and more effective treatments.

Housewide Data: The following information applies to all members of the Cedars-Sinai Medical Staff in those particular specialty areas.

Mortality: A death.

Readmission: The necessity for a previously discharged patient to return to the hospital for additional treatment for the same condition. Cedars-Sinai strives to have the lowest possible readmission rate in all clinical areas.

Volumes: Studies have demonstrated that hospitals that regularly perform a particular procedure tend to have better outcomes than those that perform the procedure less frequently.