表 2. Univariate Cox regression analysis.
单因素Cox回归分析
| Variable | HR | 95% CI | P |
| HR: hazard ratio; 95% CI: 95% confidence interval; BMI: body mass index; CAD: coronary artery disease; PAD: peripheral artery disease; eGFR: estimated glomerular filtration rate. | |||
| Female (male=control) | 0.876 | 0.659–1.165 | 0.363 |
| Age | 1.052 | 1.038–1.065 | <0.001 |
| BMI | 0.988 | 0.947–1.030 | 0.567 |
| CAD | 2.074 | 1.569–2.741 | <0.001 |
| PAD | 1.785 | 1.251–2.546 | 0.001 |
|
Renal function (eGFR≥60 mL/[min·1.73 m2]=control) |
|||
|
15 mL/(min·1.73 m2)≤eGFR<60 mL/(min·1.73 m2) |
2.144 | 1.613–2.851 | <0.001 |
| eGFR<15 mL/(min·1.73 m2) | 3.168 | 1.906–5.268 | <0.001 |
|
Wagner classification (Grade 1=control) |
|||
| Grade 2 | 1.021 | 0.456–1.898 | 0.948 |
| Grade 3 | 1.038 | 0.584–1.843 | 0.9 |
| Grade 4 | 1.908 | 1.084–3.357 | 0.025 |
| Grade 5 | 7.169 | 3.412–15.066 | <0.001 |