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Specificity of Functional Mobility Measures in Older Adults After Hip Fracture: A Pilot Study

Mendelsohn, Marissa E. BSc; Leidl, Daniel S. MSc; Overend, Tom J. PhD; Petrella, Robert J. MD, PhD

American Journal of Physical Medicine & Rehabilitation: October 2003 - Volume 82 - Issue 10 - p 766-774
Research Articles: Outcomes

Mendelsohn ME, Leidl DS, Overend TJ, Petrella RJ: Specificity of functional mobility measures in older adults after hip fracture: A pilot study. Am J Phys Med Rehabil 2003;82:766-774.

Objective To determine the relationships between measures of functional mobility (Timed Up and Go [TUG], Self-Paced Walking [SPW], Berg Balance Scale [BBS]) and global functional status (FIM™ instrument), the motor component of the FIM instrument (motor FIM), and the mobility/locomotor-specific FIM component (ML-FIM) in older patients admitted to an inpatient rehabilitation program after hip fracture.

Design The TUG, SPW, BBS, and FIM instrument were administered within 24 hr after admission and before discharge to 20 patients undergoing inpatient rehabilitation after a hip fracture.

Results Significant correlations at admission were found between FIM and TUG scores (r = −0.47; p < 0.05), TUG and motor FIM (r = −0.45; p < 0.05), TUG and ML-FIM (r = −0.58; p < 0.01), FIM and BBS (r = 0.60; p < 0.01), motor FIM and BBS (r = 0.50; p < 0.05), and ML-FIM and BBS (r = 0.45; p < 0.05). At discharge, a significant correlation was found between the motor FIM and SPW (r = −0.49; p < 0.05). Change scores between both the motor FIM and ML-FIM and TUG scores were significantly correlated (r = −0.47, p < 0.05, r = −0.50, p < 0.05, respectively).

Conclusions The FIM instrument, motor FIM, and ML-FIM may not be specific measures of functional mobility in patients with hip fracture.

From the Canadian Centre for Activity and Aging (RJP), the Faculties of Health Sciences (MEM, DSL, TJO, RJP) and Medicine and Dentistry (RJP), the Departments of Family Medicine, and Physical Medicine and Rehabilitation (RJP), and the Schools of Kinesiology (MEM, DSL, RJP) and Physical Therapy (TJO), University of Western Ontario, the Lawson Research Institute, St. Joseph’s Health Care London (RJP), London, Ontario, Canada.

All correspondence and requests for reprints should be addressed to Robert J. Petrella, MD, PhD, Canadian Centre for Activity and Aging, 1490 Richmond Street, London, Ontario N6G 2M3, Canada.

Funded by a research grant from the Parkwood Hospital Foundation, London, Ontario, Canada.

FIM™ is a trademark of the Uniform Data System for Medical Rehabilitation, a division of UB Foundation Activities, Inc.

© 2003 Lippincott Williams & Wilkins, Inc.