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Patients were randomly assigned to a fixed bearing or rotating platform of two prostheses. A subsequent study (the one retrospectively registering the original study) asked these patients a series of questions from published questionnaires to assess long term outcomes.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Rotating platform total knee arthroplasty | Active Comparator | These patients were randomly assigned to receive a rotating platform total knee arthroplasty. |
|
| Fixed bearing total knee arthroplasty | Active Comparator | These patients were randomly assigned to receive a fixed bearing total knee arthroplasty. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Fixed bearing total knee arthroplasty | Device | Fixed bearing total knee arthroplasty |
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| Measure | Description | Time Frame |
|---|---|---|
| Change in Functional Status over time | Knee Society Clinical Rating Scale | Pre-operative, Post-operative Week 6, Month 3, Month 6, Year 1, Year 2, Year 5, Year 10, Year 12, Year 15 and Year 20. |
| Change in Osteoarthritis Status over time | Western Ontario and McMaster University Osteoarthritis Index (WOMAC)- A 24 item questionnaire to assess pain, stiffness, and physical function in patients with hip or knee osteoarthritis divided into 3 subscales: Pain (5 items), Stiffness (2 items), Physical function (17 items) | Pre-operative, Post-operative Week 6, Month 3, Month 6, Year 1, Year 2, Year 5, Year 10, Year 12, Year 15 and Year 20. |
| Change in Overall Health Status over time | Medical Outcomes Study Short Form -36 Health Survey (SF-36)- A 36 item questionnaire to assess overall health. | Pre-operative, Post-operative Week 6, Month 3, Month 6, Year 1, Year 2, Year 5, Year 10, Year 12, Year 15 and Year 20. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in Satisfaction of Knee over time | 4-point Likert scale used to assess satisfaction with knee Scale-1. Extremely satisfied 2. Satisfied 3. Unsatisfied 4. Extremely unsatisfied | Pre-operative, Post-operative Week 6, Month 3, Month 6, Year 1, Year 2, Year 5, Year 10, Year 12, Year 15 and Year 20. |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Dr. William Hopkinson | Maywood | Illinois | 60153 | United States |
Results in a general basis via a manuscript. No individual data.
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| Rotating platform total knee arthroplasty | Device | Rotating platform total knee arthroplasty |
|