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Arch Orthop Trauma Surg · Jan 1992
Radiographic assessment of cup migration in bipolar hip arthroplasty: intra-observer and interobserver errors and tolerance limits.
- V P Middha and K Singhal.
- Department of Orthopaedic and Accident Surgery, Royal Liverpool Hospital, United Kingdom.
- Arch Orthop Trauma Surg. 1992 Jan 1; 111 (4): 230-1.
AbstractStatistical methods were used to calculate the possible observer error in measuring cup migration in bipolar hip arthroplasty from follow-up radiographs. Finding the "tolerance limits" by such methods helped in assigning the true significance of any observed change.
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