Item | – | SS (n=42) | Non-SS (n=34) | Total (n=76) |
---|---|---|---|---|
Ocular symptoms | positive | 30 | 10 | 40 |
negative | 12 | 24 | 36 | |
Oral symptoms | positive | 37 | 13 | 50 |
negative | 5 | 21 | 26 | |
Ocular signs: | ||||
Schirmer’s I test | positive | 20 | 11 | 31 |
negative | 22 | 23 | 45 | |
Fluorescein vital staining | positive | 14 | 2 | 16 |
negative | 28 | 32 | 60 | |
Histopathology: LSGB | positive | 29 | 5 | 34 |
negative | 13 | 29 | 42 | |
Oral sign: UWSF | positive | 17 | 5 | 22 |
negative | 25 | 29 | 54 | |
Autoantibodies | ||||
Positive anti-SSA or anti-SSB or anti-RO52 antibodies | positive | 35 | 28 | 63 |
negative | 7 | 6 | 13 | |
ANA titre ≥1:160 (Speckeld pattern) and negative anti-dsDNA and anti-Sm antibodies |
positive | 20 | 10 | 30 |
negative | 22 | 24 | 46 | |
positive anti-centromere B antibodies and negative anti-dsDNA and anti-Sm antibodies |
positive | 4 | 0 | 4 |
negative | 38 | 34 | 72 | |
Autoimmune thyroid disease | positive | 9 | 1 | 10 |
negative | 33 | 33 | 66 | |
AECG criteria | positive | 31 | 6 | 37 |
negative | 11 | 28 | 39 | |
NIS criteria | positive | 41 | 2 | 43 |
negative | 1 | 32 | 33 |