Dr Sam Hawley
DPhil, MSc, BSc
Current positions
Research Fellow
Bristol Medical School (THS)
Contact
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Research interests
I mainly carry out musculoskeletal epidemiology research in the areas of osteoporosis, osteoarthritis and orthopaedic surgery - using national health databases (e.g. CPRD and HES) and registries.
Some examples of current and past projects for which I am or have been statistician include:
- HIPPY: aiming to determine which implant fixation is best for younger patients undergoing hip replacement
- NHFD: e.g. identifying factors (patient, hospital and geographical) associated with returning home after hip fracture surgery
- EVeR registry: collecting and analysing data on treatments and outcomes of deep venous disease
- Fractures-E3: investigating fractures in Sub-Saharan Africa.
I joined the University of Bristol's Musculoskeletal Research Unit in 2020. Prior to this (2013-2020), I'd worked in the Centre for Statistics in Medicine (NDORMS, University of Oxford) where I also undertook a DPhil using quasi-experimental approaches to estimate the impact of biologic therapy on the need for joint replacement among people with rheumatoid arthritis.
Publications
Selected publications
01/06/2025Effect of intra-articular corticosteroid injections for osteoarthritis on the subsequent use of pain medications
Rheumatology
Risk factors and 120-day functional outcomes of delirium after hip fracture surgery
Journal of the American Medical Directors Association
Sample size and power considerations for ordinary least squares interrupted time-series analysis
Journal of Clinical Epidemiology
Recent publications
26/01/2026Incidence of first and subsequent fractures in multiple myeloma patients
Osteoporosis International
Age and sex specific incidence rates and future projections for hip fractures in the Gambia, West Africa, and comparison across four countries in Africa
Journal of Bone and Mineral Research
Age- and sex-specific incidence rates and future projections for hip fractures in Zimbabwe
BMJ Global Health
Association between drinking water hardness and incidence of hospitalization for childhood fracture
JBMR PLUS
Challenges to fracture service availability and readiness provided by allopathic and traditional health providers
Journal of Global Health
Related people
Professor Celia Gregson
Professor in Clinical Epidemiology
Bristol Medical School (THS)
Professor Andy Judge
Professor of Translational Statistics
Bristol Medical School (THS)
Professor Michael Whitehouse
Professor of Trauma and Orthopaedics
Bristol Medical School (THS)
Dr Anya Burton
Research Fellow
Bristol Medical School (THS)
Miss Hannah Wilson
Senior Research Associate
Bristol Medical School (THS)