Clinical characteristics of the ACA-seropositive and non-ACA Sjögren's syndrome (SS) patients are shown. The differences were calculated using Student's t test and the Chi-square test. (*; p < 0.05; statistically significant). The differences found regarded the prevalence of Raynaud's phenomenon, the level of IgG and the average of FS.
¶Follow-up period is duration from point of diagnosis. ACA; anti-centromere antibody, FS; focus score