Response to two recent BMJ papers on mortality after hip replacement: comparative modelling study
BMJ 2014; 348 doi: https://doi.org/10.1136/bmj.g1506 (Published 19 February 2014) Cite this as: BMJ 2014;348:g1506
- Ngianga-Bakwin Kandala, principal research fellow1,
- Martin Connock, senior research fellow1,
- Ruth Pulikottil-Jacob, research fellow1,
- Hema Mistry, assistant professor1,
- Paul Sutcliffe, associate professor1,
- Matthew Costa, professor of trauma and orthopaedics2,
- Aileen Clarke, professor of public health and health services research, director Warwick Evidence1
- 1Warwick Evidence, Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK
- 2Warwick Orthopaedics, University Hospitals Coventry and Warwickshire, Coventry, UK
- N-B.Kandala{at}warwick.ac.uk
Two BMJ observational studies report increased survival of patients after metal-on-metal resurfacing versus cemented or uncemented total hip replacement.1 2 We considered the potential usefulness of these new estimates for lifetime cost effectiveness models, which necessitate extrapolation beyond observed data.3 Cost effectiveness models have assumed similar mortality irrespective of implanted device.4 5 6
McMinn and colleagues examined men under 55 years who received Birmingham hip resurfacing or cemented or uncemented hip replacements (mean age ~48 years).1 Kendal and …
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