Characteristics | Group I | Group II | ||
---|---|---|---|---|
Seropositive pSS, n = 46 | Seronegative pSS, n = 32 | Patients with pSS, n = 66 | Healthy Controls, n = 35 | |
Age in yrs, mean (SD), (95% CI)a | 58.0 (11.4), (54.7, 61.4)b | 63.3 (9.0), (60.0, 66.5)b,c | 57.4 (11.4), (54.5, 60.2)c | 45.4 (13.1), (40.9, 49.9)b,c |
College or more education, n (%)a | 35 (76) | 23 (72)b | 47 (71)c | 32 (91)b,c |
Disease duration, yrs, mean (SD), (95% CI) | 10.2 (8.2) (7.4, 13.1)b | 6.2 (5.0) (4.3, 8.2)b | 8.98 (9.7) (6.0, 11.9) | N/A |
BCSI score min, median, max | 0, 33.3, 100 | 0, 33.3, 100 | 0, 33.3, 88.9 | 0, 11.1, 66.7 |
BCSI score, mean (SD), (95% CI)a | 35.8 (24.1), (28.6, 42.9)b | 37.0 (20.9), (29.4, 44.5)c | 35.4 (22.1), (30.0, 40.9)d | 15.1 (16.6), (9.4, 20.8)b,c,d |
pSS: primary Sjögren syndrome; N/A: not applicable.