Table 5.
Univariate and multivariate Cox regression analysis
| Unadjusted HR (95% CI) | p | Adjusted b HR (95% CI) | p | |
|---|---|---|---|---|
| Average heart rate | 4.065 (1.147–14.411) | .030 | — | ns |
| SDNN a | 5.532 (1.430–21.402) | .013 | 8.888 (1.871–42.220) | .006 |
| VLF a | 14.060 (1.781–111.001) | .012 | 14.699 (1.653–130.691) | .016 |
| DC a | 8.589 (2.422–30.463) | <.001 | 4.430 (1.026–19.127) | .045 |
| DRs stratification | 4.143 (1.704–10.074) | .002 | 3.811 (1.060–13.706) | .040 |
a
Dichotomous variable.
b
hazard ratios adjusting for conventional risk factors (sex, age, smoking, diabetes, eGFR, and LVEF).