A head-to-head comparison of the de Morton Mobility Index (DEMMI) and Elderly Mobility Scale (EMS) in an older acute medical population.

Purpose: To compare the clinimetric properties of the de Morton Mobility Index (DEMMI®) and the Elderly Mobility Scale (EMS).

Method: A head-to-head comparison of the EMS and DEMMI® with 120 consecutive older acute medical patients. The DEMMI® and EMS were administered within 48 h of hospital admission and discharge.