Table 5. Cox proportional comparison hazards for future MACEs in patients after PCI (multivariate regression).
| Variables | Multivariate regression Model 1 | Multivariate regression Model 2 | ||||
|---|---|---|---|---|---|---|
| HR | 95% CI | P | HR | 95% CI | P | |
| RHI | 0.415 | 0.195–0.884 | 0.023* | 0.425 | 0.198–0.914 | 0.029* |
| Hypertension (yes) | 1.153 | 0.686–1.939 | 0.591 | – | – | – |
| Systolic BP (mm Hg) | – | – | – | 1.011 | 0.994–1.029 | 0.202 |
| Diastolic BP (mm Hg) | – | – | – | 1.010 | 0.982–1.010 | 0.210 |
| LVEF (%) | 1.000 | 0.998–1.001 | 0.153 | 1.004 | 0.952–1.004 | 0.095 |
| SYNTAX score | 1.043 | 1.019–1.067 | <0.001† | 1.043 | 1.019–1.067 | <0.001† |
| BNP (pg/ml) | 1.000 | 0.998–1.001 | 0.593 | 1.000 | 0.998–1.001 | 0.527 |
| BMI (kg/m2) | 1.042 | 0.958–1.134 | 0.335 | 1.043 | 0.958–1.135 | 0.333 |
| Number of diseased coronary vessels | 0.897 | 0.673–1.197 | 0.461 | 0.897 | 0.675–1.196 | 0.465 |
| Pre-PCI history | 1.103 | 0.537–2.266 | 0.790 | 1.057 | 0.510–2.191 | 0.881 |
| Creatinine, (μmol/l) | 0.997 | 0.983–1.010 | 0.638 | 0.998 | 0.984–1.011 | 0.722 |
Model 1: The hypertension cases as a dichotomy variable selected into the regression; Model 2: Included SBP and DBP into the analysis instead of hypertension.
*P≤0.05; †P≤0.01.