Table 3. Antinuclear antibody subgroup distribution according to the presence of connective tissue disease.
| Total | CSU with CTD (n=25) | CSU without CTD (n=365) | |
| n | n | n | |
| Anti-SSA (Ro-60) | 9 | 7 | 2 |
| Anti-SSA (Ro-52) | 7 | 6 | 1 |
| Anti-SSB | 1 | 1 | - |
| Anti-dsDNA | 6 | 2 | 4 |
| Anti-centromere B | 3 | 1 | 2 |
| Anti-Sm | 2 | 2 | - |
| Anti-RNP/Sm | 1 | - | 1 |
| Anti- PM-Scl 100 | 1 | - | 1 |
| Anti-ribosomal P protein | 2 | 1 | 1 |
| Anti-histon | 2 | 2 | - |
| Anti-Jo-1 | 1 | 1 | - |
| Anti-DFS-70 | 18 | 2 | 16 |
| CSU: Chronic spontaneous urticaria; CTD: Connective tissue diseases; SSA: Sjögren syndrome A; SSB: Sjögren syndrome B; dsDNA: Double-stranded deoxyribonucleic acid; RNP/Sm: Ribonucleoprotein/Smith; PM-Scl: Polymyositis-systemic sclerosis; DFS-70: Dense fine speckled 70. | |||