TABLE 3.
Genetic testing results
| Characteristics a | 2019 | 2020 | p value |
|---|---|---|---|
| n = 104 | n = 114 | ||
| Testing Results (%) | .91 | ||
| Positive | 30 (29) | 32 (28) | – |
| Variant of uncertain significance | 34 (33) | 35 (31) | – |
| Negative | 40 (38) | 47 (41) | – |
| Indication for testing (%) | <.001 | ||
| Familial pathogenic variant | 19 (18) | 43 (38) | – |
| Nonischemic cardiomyopathy | |||
| Hypertrophic cardiomyopathy | 35 (34) | 15 (13) | – |
| Dilated cardiomyopathy | 4 (4) | 12 (11) | – |
| Other nonischemic cardiomyopathies | 8 (8) | 14 (12) | – |
| Abnormal lipids | 16 (15) | 7 (6) | – |
| Aortic pathology | 9 (11) | 9 (8) | – |
| Abnormal electrocardiogram | 4 (4) | 9 (8) | – |
| Sudden cardiac arrest | 4 (4) | 1 (1) | – |
| Connective tissue disease | 2 (2) | 0 (0) | – |
| Syncope | 1 (1) | 1 (1) | – |
| Family history of sudden cardiac arrest | 1 (1) | 2 (2) | – |
| Muscular dystrophy | 1 (1) | 1 (1) | – |
a
Data were expressed as number (percentage).