A randomised controlled trial of an exercise intervention to reduce functional decline and health service utilisation in the hospitalised elderly

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Abstract
Objective:  Functional decline is experienced by up to 50% of older hospitalised patients and is associated with increased institutionalisation, mortality and length of stay (LOS). We aimed to determine the effectiveness of an exercise program in reducing functional decline and health service utilisation in older inpatients. Methods:  A single‐blinded randomised controlled trial was conducted in a tertiary metropolitan hospital involving 180 acute general medical patients aged ≥ 65 years. In addition to usual physiotherapy care, the intervention group performed an exercise program for 30 minutes, twice daily, with supervision and assistance. Change in physical function was measured by the modified Barthel index (mBI). Analysis was done on an intention‐to‐treat basis. Results:  When admission mBI scores were low, there was a greater improvement in mBI scores in the intervention group compared with the control group. The intervention group had a shorter total LOS (Hazard ratio (HR) 1.46 (95%CI 1.04–2.05); P = 0.026).