Why the study?
It is unclear whether the correlation between higher preoperative expectations and better early postoperative outcomes and satisfaction is maintained past one year after knee surgery.
Do greater preoperative expectations predict improvement in patient-reported pain and function two years after knee surgery?
Population
460 patients undergoing knee surgery between June 2015 and April 2018
Comparison
Associations with greater preoperative expectations
Design
Retrospective review
Follow-up
Two years
Key result
Greater preoperative expectations were independently predictive of improvement in pain and function two years after knee surgery.
Authors
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Preoperative expectations may shape 2-year knee outcomes; extends short-term associations but leaves causal impact open in observational data.
Cohort (n=460)
Do greater preoperative expectations predict improvement in patient-reported pain and function two years after knee surgery?
Greater preoperative expectations independently predict long-lasting improvements in pain and function two years after knee surgery.
Leon et al. (2024) conducted a cohort in Knee surgery (n=460). Greater preoperative expectations vs. Lower preoperative expectations was evaluated on Improvement in PROMIS Pain Interference and IKDC. Greater preoperative expectations were independently predictive of improvement in pain and function two years after knee surgery.