ESPOIR prediction matrix. ESPOIR prediction matrix for use in daily practice in assessing the risk of rapid radiographic progression (RRP; change in vSHS ≥ 5 points at 1 year) in patients with early rheumatoid arthritis in terms of baseline characteristics. ACPA, anti-citrullinated protein antibody; CRP, C-reactive protein (mg/L); vSHS, van der Heijde-modified Sharp score.
Fautrel et al. Arthritis Research & Therapy 2012 14:R249 doi:10.1186/ar4092