Demographic, clinical, and serological profile among 45 patients with primary Sjögren’s syndrome and 33 patients with limited scleroderma
| Variable | Sjögren’s syndrome | Limited scleroderma | p Value |
|---|---|---|---|
| (n = 45) | (n = 33) | ||
| Data presented as frequency (%) unless otherwise indicated. | |||
| Age (years) (mean (SD)) | 58 (14) | 57 (12) | 0.72 |
| Female | 44 (98%) | 31 (94%) | 0.57 |
| White | 33 (73%) | 28 (85%) | 0.27 |
| Xerophthalmia | 36 (80%) | 15 (45%) | 0.002 |
| Xerostomia | 41 (91%) | 14 (42%) | <0.0001 |
| Raynaud’s phenomenon | 13 (29%) | 32 (97%) | <0.0001 |
| Satisfy diagnostic criteria | 45 (100%) | 33 (100%) | 1.00 |
| Anti-nuclear antibody | 39 (87%) | 33 (100%) | 0.036 |
| Centromere immunofluorescence staining pattern | 3 (7%) | 19 (58%) | <0.0001 |
| Centromere protein B or C antibody | 10 (22%) | 18 (55%) | 0.004 |