Abstract Number: 2137 • 2014 ACR/ARHP Annual Meeting
Linear Extrapolation of Missing Radiographic Progression Scores Does Not Spuriously overestimate overall Radiographic Progression in Rheumatoid Arthritis
Background/Purpose : Linear Extrapolation (LE) is a frequently applied method to impute missing radiographic data in trials. However, there is frequent critique that LE overestimates…