Predicted vs. observed radiographic progression in early rheumatoid arthritis (POPeRA): results from a randomized trial.
OBJECTIVES:The aim of this study was to apply a previously published method for evaluating radiographic progression, namely, predicted vs. observed radiographic progression in early rheumatoid arthritis (POPeRA), to the Swedish pharmacotherapy (SWEFOT) trial.METHOD:In SWEFOT, 487 patients with eRA were given methotrexate (MTX), and non-responders were randomized to group A [triple therapy: MTX+sul
