diagnostic criteria

For primary SS

Primary SS may be defined as follows:

a. The presence of any 4 of the 6 items is indicative of primary SS, as long as

either item IV (Histopathology) or VI (Serology) is positive

b. The presence of any 3 of the 4 objective criteria items (items III, IV, V, VI)

For secondary SS

Exclusion criteria:

In patients with a potentially associated disease (for instance, another well defined connective tissue disease), the presence of item I or item II plus any 2 from among items III, IV, and V may be considered as indicative of secondary SS.