Additional file 1: of ACPA-negative RA consists of subgroups: patients with high likelihood of achieving sustained DMARD-free remission can be identified by serological markers at disease presentation

Table S1. Overview of medication used by all RA patients and by the subgroups of ACPA-positive and ACPA-negative RA patients during the total follow-up duration. Figure S1. Kaplan-Meier plots showing achievement of sustained DMARD-free remission by ACPA-negative RA patients (n = 141) grouped by tertiles of 12 serum biomarkers measured at disease presentation. (DOCX 305 kb