What is the #frequency of #CTD #ILD in #USA? Data from #Marketscan >9K & #Optum ~20k CTD-ILD Pts 56-65 yrs, 3/4 F ?under ascertained #RA-ILD - low % but #SSc-ILD approx 16% clinically relevant Same as Ont, Canada #SSc-ILD % Not rare #ACR25 @RheumNow @ACRheum Abst#0154 https://t.co/imfSyOtYpC