Patients fulfilling both sets of criteria n = 114 | Patients fulfilling ACR/EULAR set of criteria only n = 11 | Patients fulfilling neither set of criteria n = 165 | p value* | |
---|---|---|---|---|
Age (years, mean ± SD) | 56.6 ± 13.7 | 53.6 ± 16.2 | 55.0 ± 12.6 | 0.56 |
Symptom duration (years, mean ± SD) | 6.6 ± 7.1 | 5.5 ± 6.7 | 5.6 ± 6.2 | 0.46 |
Female, n (%) | 106 (93) | 11 (100) | 150 (91) | 1 |
Xerophthalmiaa, n (%) | 110 (97) | 2 (18) | 141 (86) | < 0.01 |
Xerostomiaa, n (%) | 111 (97) | 6 (55) | 144 (87) | < 0.01 |
ESSDAI (mean ± SD) | 4.8 ± 5.5 | 4.6 ± 3.2 | 3. 8 ± 4.8 | 0.58 |
ESSDAI ≥ 1, n (%) | 98 (86) | 10 (91) | 115 (70) | 1.00 |
Only sicca, n (%) | 16 (14) | 1 (9) | 52 (32) | 1.00 |
Only ESSDAI, n (%) | 1 (1) | 3 (27) | 6 (4) | < 0.01 |
Schirmer’s test ≤ 5 mm/5 min, n (%) | 70/110 (64) | 4 (36) | 47/154 (31) | 0.18 |
VB ≥ 4, n (%) | 24/80 (30) | 2/4 (50) | 12/85 (14) | 0.58 |
UWSF ≤ 0.1 mL/min, n (%) | 73/103 (71) | 2 (18) | 56/152 (37) | < 0.01 |
Abnormal SGB, n (%) | 93/112 (83) | 10 (91) | 22/159 (14) | 0.69 |
Anti-SSA and/or SSB positivity, n (%) | 77 (68) | 5 (46) | 6 (4) | 0.14 |
Anti-SSA, n (%) | 75 (66) | 5 (46) | 5 (3) | 0.18 |
ANA ≥ 1:320, n (%) | 83 (73) | 8 (73) | 55 (33) | 1.00 |
RF positivity, n (%) | 51/112 (46) | 4 (36) | 18/165 (11) | 0.75 |
IgG (g/L, mean ± SD) | 14.5 ± 7.9 | 14. 7 ± 5.1 | 10. 5 ± 3.5 | 0.49 |
SGUS score ≥ 2, n (%) | 61/105 (58) | 4/9 (44) | 17/141 (12) | 0.50 |
Physician diagnosis of pSS, n (%) | 111 (97) | 7 (64) | 17 (10) | < 0.01 |