Table 4 Univariate and multivariate Cox regression analysis of the identification of patients with chronic heart failure at increased risk of sudden death.
| Univariate analysis | Multivariate analysis | |||
|---|---|---|---|---|
| p Value | HR (95% CI) | p Value | HR (95% CI) | |
| WR | 0.001 | 1.057 (1.023 to 1.091) | 0.007 | 1.052 (1.014 to 1.091) |
| H/M (d) | 0.004 | 0.065 (0.010 to 0.426) | — | — |
| Plasma norepinephrine level | 0.018 | 1.002 (1.000 to 1.004) | 0.43 | 1.001 (0.999 to 1.003) |
| Radionuclide LVEF | 0.036 | 0.929 (0.867 to 0.995) | 0.086 | 0.933 (0.861 to 1.010) |
| H/M (e) | 0.049 | 0.135 (0.018 to 0.991) | — | — |
| LVEDD | 0.099 | 1.054 (0.990 to 1.122) | — | — |
| LAD | 0.15 | 1.051 (0.983 to 1.124) | — | — |
| Lown's grade | 0.34 | 1.238 (0.797 to 1.923) | — | — |
–, Not included in the multivariate analysis; H/M (d), the heart‐to‐mediastimum metaiodobenzylguanidine (MIBG) uptake ratio on the delayed images; H/M (e), the heart‐to‐mediastimum MIBG uptake ratio on the early images; LAD, left atrial dimension; LVEDD, left ventricular end‐diastolic dimension; LVEF, left ventricular ejection fraction; WR, washout rate.