Abstract
The purpose was to explore the responsiveness of both patient-report and performance-based outcome measures to determine functional changes during the acute and long-term postoperative recovery after total knee arthroplasty (TKA). One hundred patients scheduled for unilateral TKA underwent testing preoperatively and at 1 and 12 months postoperatively using the Delaware Osteoarthritis Profile. All physical performance measures decreased initially after surgery then increased in the long term; however, the perceived function did not follow the same trend, and some showed an increase immediately after surgery. Patient-report measures were variable, with no to small response early, but had excellent long-term responsiveness that was twice as large as performance measures. Patient perception fails to capture the acute functional declines after TKA and may overstate the long-term functional improvement with surgery.
Original language | English |
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Pages (from-to) | 728-737 |
Number of pages | 10 |
Journal | Journal of Arthroplasty |
Volume | 26 |
Issue number | 5 |
DOIs | |
State | Published - Aug 2011 |
Keywords
- Disability
- Knee arthroplasty
- Outcome measures
- Performance measures
- Self-reported function