Table 3.
Relation between cardiotrophin-1 levels and categorical clinical variables
| Variable | Number (%) of patients with/without the variable | Mean ± SD CT-1 levels in patients with the variable | Mean ± SD CT-1 levels in patients without the variable | P-value |
|---|---|---|---|---|
| Male sex | 78 (63)/46 (37) | 136 ± 70 | 137 ± 76 | 0.853 |
| Non-sustained ventricular tachycardia | 29 (23)/95 (77) | 153 ± 83 | 129 ± 68 | 0.119 |
| Family history of HCM | 51 (41)/73 (59) | 129 ± 66 | 141 ± 76 | 0.357 |
| Maximum wall thickness ≥30 mm | 13 (10)/111 (90) | 200 ± 103 | 129 ± 64 | 0.031 |
| Obstruction (gradient ≥30 mmHg) | 33 (27)/91 (73) | 137 ± 74 | 136 ± 72 | 0.928 |
| Systolic dysfunction | 6 (5)/118 (95) | 162 ± 49 | 134 ± 72 | 0.342 |
| Previous syncope | 18 (15)/106 (85) | 133 ± 56 | 137 ± 75 | 0.817 |
| Family history of sudden death | 20 (16)/104 (84) | 124 ± 68 | 139 ± 73 | 0.398 |
| Abnormal blood pressures response | 31 (25)/93 (75) | 142 ± 77 | 135 ± 75 | 0.660 |
| Previous angina | 56 (45)/68 (55) | 133 ± 74 | 139 ± 71 | 0.648 |
| Atrial fibrillation ever | 42 (34)/82 (66) | 143 ± 69 | 133 ± 74 | 0.446 |
| Number of sudden death risk factors | 0.07* | |||
| 0 risk factors | 48 (38) | 123 ± 65 | ||
| 1 risk factor | 51 (41) | 140 ± 70 | ||
| 2 risk factors | 16 (13) | 178 ± 83 | ||
| 3 or more risk factors | 9 (8) | 126 ± 84 |
*P-value for linear association.
Values in bold represent statistical significance.