Clinical and laboratory data for patients with primary Sjögren's syndrome (pSS). Results are expressed as median, 10th, 25th, 75th, and 90th percentiles. *P < 0.05. SSDAI, Sjögren's syndrome disease activity index; ESSSDAI, European League Against Rheumatism Sjögren's syndrome disease activity index; Ig, immunobglobulin; ESR, erythrocyte sedimentation rate.
Furuzawa-Carballeda et al. Arthritis Research & Therapy 2013 15:R68 doi:10.1186/ar4245