| Numbers | Percentage (%) |
Anti-nuclear antibodies | 68 | 97.1 |
Anti-native DNA antibodies | 38 | 54.3 |
Anti-RNP antibodies | 27 | 77.1 |
Anti-SM antibodies | 21 | 60.0 |
Anti-SSA antibody | 18 | 51.4 |
Anti-SSB antibody | 2 | 5.7 |
Anti-phospholipid antibodies | 2 | 2.8 |
Rheumatoid factors | 6 | 8.8 |
Anti-histone antibodies | 6 | 8.8 |
Anti-nucleosome antibodies | 4 | 5.7 |