Clinical features | pSS patients (n=50) | Healthy controls (n=44) |
---|---|---|
Sex (female) | 49 | 43 |
Age (Mean±S.D.) | 48.19±15.13 | 43.85±11.35 |
Disease duration (median, IQR) | 24 (6~48) | N/A |
Fever (n%) | 2 (4.00%) | 0 |
Joint pain (n%) | 17 (34.00%) | 0 |
Extra-glandular organ involvement | 19 (38.00%) | 0 |
ESSDAI (Mean±S.D.) | 4.2±3.1 | N/A |
Serological examinations (Median, IQR) | ||
IgG (g/L) | 18.74 (13.85~26) | N/A |
IgA (g/L) | 2.85 (1.84~3.41) | N/A |
IgM (g/L) | 1.16 (0.74~1.38) | N/A |
C3 (g/L) | 1.05 (0.91~1.15) | N/A |
C4 (g/L) | 0.17 (0.15~0.21) | N/A |
RF (IU/ml) | 106.5 (18.75~236.75) | N/A |
ESR (mm/h) | 17 (11~41.75) | N/A |
CRP (mg/L) | 0.79 (0.31~1.75) | N/A |
Anti-SSA antibody (n%) | 49 (98.00%) | 0 |
Anti-SSB antibody (n%) | 23 (46.00%) | 0 |
Anti-Ro52 antibody (n%) | 39 (78.00%) | 0 |