Sex differences may affect the response to first line TNFi in AxSpA. Hellamund et al EuroSpA study showed the TNFi 6/12/24 month retention rate was lower in females (58%) compared to males (72%). Females had lower CRP level and higher PROs at baseline #EULAR2022 @RheumNow OP0020 https://t.co/ANgRYMxpat