average length of stay
Also found in: Acronyms.
average length of stayManaged care The average period in days that the average person stays in hospital for a particular procedure or with a particular illness.
MedspeakUK A term of art referring to the time a patient spends in hospital before being discharged. The ALoS can vary in different hospitals by 2 weeks or more for otherwise “standard” procedures (e.g., hip replacements and bowel surgery).