Fig. 2From: Antibodies against carbamylated proteins and cyclic citrullinated peptides in systemic lupus erythematosus: results from two well-defined European cohorts a-f Standardized musculoskeletal ultrasonography grading of arthritis and tenosynovitis with grey scale (B-mode) and power Doppler (PD) in 32 patients divided according to the presence of anti-cyclic citrullinated peptide (anti-CCP) (a), anti-carbamylated protein antibody (anti-CarP) (b), rheumatoid factor (c), radiographically confirmed erosions (d), daily intake of prednisolone (e), and with regard to the fulfilment of the 1982 American College of Rheumatology (ACR) classification criterion 5 (arthritis) (f) [35]. Median and interquartile range are illustrated. * p < 0.05Back to article page