| N | GF (%) | AF (%) | PF (%) | |||||
|---|---|---|---|---|---|---|---|---|
| GG | CG | CC | G | C | G | C | ||
| HC | 99 | 39 (39.4) | 51 (51.5) | 9 (9.1) | 129 (65.2) | 69 (34.8) | 90 (90.9) | 60 (60.6) |
| All SSc | 50 | 22 (44.0) | 19 (38.0) | 9 (18.0) | 63 (63.0) | 37 (37.0) | 41 (82.0) | 28 (56.0) |
| dcSSc | 39 | 19 (48.7) | 13 (33.3) | 7 (17.9) | 51 (65.4) | 27 (34.6) | 32 (82.1) | 20 (51.3) |
| lcSSc | 11 | 3 (27.3) | 6 (54.5) | 2 (18.0) | 12 (54.5) | 10 (45.5) | 9 (81.8) | 8 (72.7) |
| Sclerodactyly | 42 | 19 (45.2) | 16 (38.1) | 7 (16.7) | 54 (64.3) | 30 (35.7) | 35 (83.3) | 23 (54.8) |
| Digital pitting scar | 36 | 13 (36.1) | 15 (41.7) | 8 (22.2) | 41 (56.9) | 31 (43.1) | 28 (77.8) | 23 (63.9) |
| Pulmonary fibrosis | 34 | 12 (35.3) | 16 (47.1) | 6 (17.6) | 40 (58.8) | 28 (41.2) | 28 (82.4) | 22 (64.7) |
| Telangiectasia | 7 | 4 (57.1) | 3 (42.9) | 0 (0) | 11 (78.6) | 3 (21.4) | 7 (100) | 3 (42.9) |
| Pulmonary hypertension | 6 | 1 (16.7) | 4 (66.7) | 1 (16.7) | 6 (50.0) | 6 (50.0) | 5 (83.3) | 5 (83.3) |
| Poikiloderma | 25 | 12 (48.0) | 10 (40.0) | 3 (12.0) | 34 (68.0) | 16 (32.0) | 22 (88.0) | 13 (52.0) |
| Gastroesophageal reflux disease | 17 | 8 (47.1) | 6 (35.3) | 3 (17.6) | 22 (64.7) | 12 (35.3) | 9 (52.9) | 14 (82.4) |
| Dysphagia | 19 | 11 (57.9) | 6 (31.6) | 2 (10.5) | 28 (73.7) | 10 (26.3) | 17 (89.5) | 8 (42.1) |
| Myositis | 5 | 2 (40.0) | 2 (40.0) | 1 (20.0) | 6 (60.0) | 4 (40.0) | 4 (80.0) | 3 (60.0) |
| Sicca symptoms | 5 | 3 (60.0) | 0 (0) | 2 (40.0) | 6 (60.0) | 4 (40.0) | 3 (60.0) | 2 (40.0) |
| Arthritis | 11 | 5 (45.5) | 5 (45.5) | 1 (9.1) | 15 (68.2) | 7 (31.8) | 10 (90.0) | 6 (54.5) |
| Anti-Scl70 | 34 | 16 (47.1) | 13 (38.2) | 5 (14.7) | 45 (66.2) | 23 (33.8) | 29 (85.3) | 18 (52.9) |
| Anti-Ro/SSA | 17 | 4 (23.5) | 9 (52.9) | 4 (23.5) | 17 (50.0) | 17 (50.0) | 13 (76.5) | 13 (76.5) |
| Anti-RNP | 16 | 6 (37.5) | 8 (50.0) | 2 (12.5) | 20 (62.5) | 12 (37.5) | 14 (87.5) | 10 (62.5) |