Weight Change and the Risk of Chronic Pain Following Hip and Knee Arthroplasties

Weight Change and the Risk of Chronic Pain Following Hip and Knee Arthroplasties: A Nationwide Registry-based Cohort Survey Study.

The study is a nationwide, register-based cohort survey study. The objective of this study is to investigate whether weight change is associated with the incidence of persistent postoperative pain following total hip arthroplasty and knee arthroplasty across non-obese and obese and patients.

Inclusion Criteria:

- Patients operated with primary hip or knee arthroplasty for osteoarthritis 11-15 months before survey distribution

Exclusion Criteria:

• Legally incompetent citizens, i.e., persons with a legal guardian, will not be asked to participate.