Table 4.
Risk factors for cardiac events within 2 years after initial presentation.
| Univariable | Multivariable | |||||
|---|---|---|---|---|---|---|
| Variables | HR | 95% CI | p | HR | 95% CI | p |
| Sex | 0.88 | 0.40–1.90 | 0.74 | |||
| Earlier era (presentation before 2007) | 1.41 | 0.65–3.04 | 0.38 | |||
| Age at initial presentation (month) | 1.005 | 1.00–1.01 | 0.080 | NA | ||
| Familial history | 2.21 | 0.39–12.64 | 0.37 | |||
| Genetic disease | 0.52 | 0.05–5.92 | 0.60 | |||
| Neuromuscular disease | NA | 0.99 | ||||
| Post-myocarditis | 0.71 | 0.31–1.60 | 0.41 | |||
| Adriamycin-induced | 0.25 | 0.03–2.32 | 0.22 | |||
| Arrhythmia mediated | NA | 0.99 | ||||
| Idiopathic | 2.95 | 1.32–6.56 | 0.008 | 2.95 | 1.32–6.56 | 0.008 |
| LVEF | 0.99 | 0.95–1.03 | 0.54 | |||
| MR ≥ moderate | 0.91 | 0.31–2.74 | 0.87 | |||
| TR ≥ moderate | 4.51 | 0.49–41.79 | 0.19 | |||
| IVIG | 0.99 | 0.44–2.27 | 0.99 | |||
| Steroid pulse therapy | 1.06 | 0.20–5.52 | 0.94 | |||
| CRT | 0.52 | 0.05–5.92 | 0.60 | |||
| ECMO | 3.44 | 1.02–11.62 | 0.047 | NA | ||
HR, hazard ratio; CI, confidence interval; LVEF, left ventricular ejection fraction; MR, mitral regurgitation; TR, tricuspid regurgitation; IVIG, intravenous immunoglobulin; CRT, cardiac resynchronization therapy; ECMO, extracorporeal membrane oxygenation.