Table 4. Classification of connective tissue diseases with cardiovascular involvement, n (%).
| Manifestation | DM/PM | SSC | RA | PSS | SLE | MCTD | UCTD | p value |
|---|---|---|---|---|---|---|---|---|
| Cardiovascular involvement | 53 (61.6) | 48 (68.6) | 70 (71.4) | 59 (62.1) | 30 (54.5) | 9 (56.2) | 13 (81.2) | 0.243 |
| Arrhythmia | 19 (22.1) | 25 (35.7) | 23 (23.5) | 18 (18.9) | 11 (20.0) | 3 (18.8) | 5 (31.2) | 0.238 |
| Myocardial function limitation | 32 (37.2) | 33 (47.1) | 48 (49.0) | 38 (40.0) | 20 (36.4) | 5 (31.2) | 8 (50.0) | 0.473 |
| Pericardial disease | 8(9.4) | 9 (12.9) | 12 (12.2) | 2(2.1) | 15 (27.3) | 3 (18.8) | 0(0.0) | 0.004 |
| Pulmonary arterial hypertension | 11 (12.8) | 17 (24.3) | 14 (14.3) | 10 (10.5) | 10 (18.2) | 2 (12.5) | 1 (6.2) | 0.059 |
| Valvular disease | 18 (20.9) | 22 (31.4) | 27 (27.6) | 25 (26.3) | 11 (20.0) | 3 (18.8) | 4 (25.0) | 0.709 |
| Coronary artery calcium | 10 (11.6) | 4 (5.7) | 12 (12.2) | 2 (2.1) | 5 (9.1) | 1 (6.2) | 1 (6.2) | 0.167 |
| Myocardial ischemia | 15 (17.4) | 12 (17.1) | 25 (25.5) | 15 (15.8) | 5(9.1) | 2 (12.5) | 3 (18.8) | 0.279 |
DM/PM: polymyositis and dermatomyositis; MCTD: mixed connective tissue disease; PSS: primary Sjogren’s syndrome; RA: rheumatoid arthritis; SLE: systemic lupus erythematous; SSC: systemic sclerosis; UCTD: undifferentiated connective tissue disease.