Impairment in activities of daily living and related factors in elderly patients with severe lumbar spinal stenosis before hospitalization.

Background: Lumbar spinal stenosis (LSS) impairs activities of daily living (ADL) in older adults. Factors associated with ADL impairment in LSS have not been identified. This study aimed to ascertain the pre-admission living conditions in elderly patients with LSS and investigate the factors associated with impairment in ADL.