| 项目 | HR值 | 95% CI | P值 |
| 年龄 | 1.079 | (1.013, 1.150) | 0.019 |
| SDNN | 0.956 | (0.942, 0.969) | 0.000 |
| SDANN | 0.956 | (0.942, 0.97) | 0.000 |
| SDNN index | 0.908 | (0.874, 0.943) | 0.000 |
| RMSSD | 0.915 | (0.863, 0.971) | 0.003 |
| PNN50 | 0.848 | (0.766, 0.938) | 0.001 |
| HF | 0.987 | (0.980, 0.995) | 0.001 |
| LF | 0.990 | (0.985, 0.995) | 0.000 |
| β受体阻滞剂 | 0.390 | (0.166, 0.912) | 0.03 |
| 24小时平均心率 | 1.045 | (1.003, 1.089) | 0.038 |
| LDL-C | 0.531 | (0.312, 0.903) | 0.019 |
| TC | 0.676 | (0.476, 0.960) | 0.029 |