Related Experiment Video
Updated: Aug 30, 2026
The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
Published on: September 7, 2022
Demographic factors affecting long-term outcome of total hip arthroplasty
Christoph Röder1, Javad Parvizi, Stefan Eggli
1Maurice E. Müller Research Center in Orthopaedic Surgery, University of Bern, Murtenstrasse 35, CH-3008 Bern, Switzerland.
Insights
Total hip arthroplasty (THA) effectively alleviates pain and improves function, with over 90% patient satisfaction at 15 years. Patient factors like age and comorbidity influence long-term functional outcomes.
Area of Science:
- Orthopedic Surgery
- Biomedical Engineering
- Clinical Outcomes Research
Background:
- Total hip arthroplasty (THA) is a common procedure for hip joint dysfunction.
- Long-term outcomes and influencing factors require comprehensive analysis.
Purpose of the Study:
- To evaluate the long-term efficacy of THA.
- To assess the impact of demographic factors and patient comorbidity on THA outcomes.
Main Methods:
- Retrospective analysis of a large cohort (25,990 THRs) with complete long-term data.
- Inclusion of demographic variables (age, gender, BMI) and Charnley classification.
- Assessment of radiographic and clinical follow-up information.
Main Results:
- THA demonstrates high efficiency and reliability in pain relief and functional improvement.
- Over 90% patient satisfaction reported at 15 years post-arthroplasty.
- Clinical outcomes peak at 2-5 years, with gradual decline thereafter; patient factors significantly influence results.
Conclusions:
- THA provides enduring pain relief and functional enhancement for most patients.
- Patient age, gender, BMI, diagnosis, and Charnley classification significantly affect long-term functional status.
- The Charnley classification is a key determinant of overall functional outcome after THA.
Abstract:
We report the outcome of total hip arthroplasty (THA) in a cohort of patients with complete long-term radiographic and clinical followup information from our database of more than 48,000 primary hip replacements. The purpose of the study was to evaluate the influence of various demographic factors and patient comorbidity (Charnley classification) on the long-term outcome of THA. The cohort was comprised of 25,990 total hip replacements (THRs) in 10,243 (46.6%) men and 11,754 (53.4%) women with a median age of 66 years (range, 20-96 years) at the time of arthroplasty. Our study confirmed that THA has an impressive efficiency and reliability in alleviating pain and improving function for almost all of the patients. Furthermore, the results are enduring with more than 90% of patients being satisfied with the outcome at 15 years. Clinical outcome measures reach their maximum at 2 to 5 years after arthroplasty and thereafter they decline gradually. Furthermore, patient age, gender, body mass index, and main diagnosis all have an influence on specific functional parameters. The Charnley classification has the most profound effect on the overall functional status of patients.