Plenary session: Dr Ballal presents data showing #warfarin use incr. risk of knee/hip replacements, compared to #DOACs - Nest case-control study in UK THIN database - Risk increases w/ duration of use - Indicates need for well-powered RCT of vit K in OA Abs#0934 #ACR20 @RheumNow https://t.co/YyxDjNQEjx