Knee corticosteroids injx within 4 wks of total joint arthroplasty may be assoc w/ a higher risk of postop infection (studies suggest a risk w/in 3 mos of TKA). Greatest risk seen w/in 2 wks of injx (OR 2.89), worse in <65 yrs & w/ comorbidities (RA) https://t.co/nZKTkv7ym5 https://t.co/4W6CNsrqpf