Clinical characteristics of patients with primary Sjögren’s syndrome included in the association analyses after genotyping quality control
| Total (n=682) | Norway (n=225) | Sweden (n=138) | UK (n=128) | USA (n=191) | |
| Age, years (mean±SD) | 58.8±12.8 | 58.0±12.1 | 55.2±12.3 | 67.2±10.8 | 56.9±13.0 |
| Females, n (%) | 638 (93.5) | 206 (91.2) | 127 (92.0) | 123 (96.1) | 182 (95.3) |
| Anti-SSA antibodies (%) | 74 | 72 | 76 | 88 | 66 |
| Anti-SSB antibodies (%) | 50 | 40 | 52 | 70 | 46 |
| fVAS, mm (mean±SD) | 56.5±27.2 | 61.1±27.7 | 59.9±24.5 | 54.2±28.2 | 50.2±26.5 |
fVAS, fatigue Visual Analogue Scale; SSA, Sjӧgren's syndrome-related antigen A; SSB, Sjӧgren's syndrome-related antigen B.