1. Anti-Ro/SSA Positive (3 points)
2. Lip Biopsy with Focus > 1 foci/4mm^2 (3 points)
3. Ocular Staining Score ≥ 5 or Van Bijsterveld Score ≥ 4 (1 point)
4. Schirmer’s Test ≤ 5mm/5min (1 point)
5. Unstimulated Salivary Flow Rate ≤ 0.1 mL/min (1 point)
Criteria is met if the total score is ≥ 4
Shiboski, Caroline H., et al. “2016 American College of Rheumatology/European League Against Rheumatism classification criteria for primary Sjögren’s syndrome: a consensus and data‐driven methodology involving three international patient cohorts.” Arthritis & Rheumatology 69.1 (2017): 35-45.
