How is the american-european classification system of Sjogren?

3 out of 4 (ocular symptoms [dry eyes for more than 3months], Oral symptoms [dry mouth, swollen salivary glands], Ocular signs [Schirmer test without anesthesia <5mm in 5 min], Oral signs [abnormal salivary scintigraphy, abnormal parotid sialography findings, abnormal sialometry findings <1.5 ml saliva in 15 min]) And 1 out of 2 (positive minor salivary gland biopsy finding, and positive anti-SSA/SSB result)