Table 2.
Autoantibody profile and detected organ manifestations among the examined patients.
| Autoantibodies | Occurrence of Positivity |
| Antinuclear antibody (ANA) | 26/26 |
| anti-Ro52 | 6/26 |
| Anti-topoisomerase I antibody (Scl-70) | 11/26 |
| anti-Ku | 11/26 |
| RNA polymerase III antibody (RNSP III) | 3/26 |
| Anti-citrullinated protein antibodies (ACPA) | 3/26 |
| Anti-centromere antibody (ACA) | 1/26 |
| Organ involvement | Frequency |
| Lung | |
| Interstitial lung disease | 17/26 |
| Pulmonary arterial hypertension (PAH) | 3/26 |
| Cardiac | |
| Diastolic dysfunction | 21/26 |
| Cardiomyopathy | 4/26 |
| Gastrointestinal | |
| Esophagus dysmotility | 12/26 |
| Gastrointestinal reflux (GERD) | 8/26 |
| Esophageal achalasia | 5/26 |
| Other | |
| Arthritis | 6/26 |
| Digital ulcers | 6/26 |