Table 2.
Ventricular arrhythmia risk prediction model
| Univariable model | Multivariable (final model) | |||
|---|---|---|---|---|
| HR (95% CI) | P-value | HR (95% CI) | P-value | |
| Male sex | 1.74 (1.26–2.42) | <0.001 | 1.63 (1.17–2.29) | 0.005 |
| Age (per year increase) | 0.98 (0.97–0.99) | 0.001 | 0.98 (0.97–0.99) | <0.001 |
| Recent cardiac syncope | 2.57 (1.66–3.97) | <0.001 | 1.93 (1.20–3.11) | 0.007 |
| Prior NSVT | 3.15 (2.12–4.68) | <0.001 | 2.25 (1.47–3.44) | <0.001 |
| 24 h PVC count (ln)a | 1.32 (1.17–1.48) | <0.001 | 1.19 (1.05–1.34) | 0.013 |
| Leads with TWI anterior + inferior | 1.20 (1.12–1.29) | <0.001 | 1.12 (1.02–1.23) | 0.014 |
| RVEF (per % decrease) | 1.05 (1.03–1.06) | <0.001 | 1.03 (1.01–1.04) | 0.002 |
| LVEF (per % decrease) | 1.02 (1.01–1.04) | 0.011 | Not included in the final model | |
LVEF, left ventricular ejection fraction; NSVT, non-sustained ventricular tachycardia; PVC, premature ventricular complex; RVEF, right ventricular ejection fraction; TWI, T-wave inversion.
a
PVC count had a log-linear relationship.