https://pubmed.ncbi.nlm.nih.gov/38113913

The sentence: “Pre- and postoperative weight change has minimal impact on patient satisfaction and clinically relevant differences in pain and function at 1-year following total knee arthroplasty, but preoperative weight gain is associated with a higher risk of 90-day readmissions and obesity class III patients have increased risk of non-home discharge but greater likelihood of achieving minimum clinically important difference in Knee injury and Osteoarthritis Outcome Score for pain and function.”