Table 6.
Cox proportional hazard regression analysis for reintervention
| Variable | Overall series | After matching | ||||||
|---|---|---|---|---|---|---|---|---|
| Univariate | Multivariate | Univariate | Multivariate | |||||
| HR (95% CI) | p-value | HR (95% CI) | p-value | HR (95% CI) | p-value | HR (95% CI) | p-value | |
| Male | 2.0 (0.6–5.8) | 0.191 | 0.2 (0.0–2.2) | 0.230 | ||||
| Hemoptysis | 2.8 (1.3–6.9) | 0.026 | 3.8 (1.2–11.3) | 0.016 | 8.5 (2.4–29.3) | 0.001 | 6.8 (1.3–34.7) | 0.021 |
| Hoarseness | 2.2 (0.8–9.0) | 0.102 | 1.6 (0.2–13.2) | 0.619 | ||||
| Hypertension | 0.2 (0.5–2.9) | 0.595 | 4.4 (0.5–34.9) | 0.151 | 7.9 (0.8–73.1) | 0.048 | ||
| Diabetes | 2.0 (0.7–5.4) | 0.148 | 1.3 (0.2–10.7) | 0.766 | ||||
| CAOD | 2.5 (0.9–6.7) | 0.059 | 2.2 (0.5–10.6) | 0.210 | ||||
| PAOD | 1.7 (0.7–4.4) | 0.210 | 1.9 (0.4–8.9) | 0.400 | ||||
| COPD | 3.4 (1.0–11.4) | 0.046 | 4.4 (0.9–21.2) | 0.063 | ||||
| Cerebrovascular accident | 2.2 (0.7–6.4) | 0.144 | 1.7 (0.2–14.2) | 0.579 | ||||
| Acute kidney injury | 1.1 (0.1–7.4) | 0.994 | 5.1 (0.6–41.2) | 0.124 | ||||
| Previous cardiac operation | 1.1 (0.6–3.4) | 0.388 | 3.2 (0.8–12.4) | 0.082 | 6.81 (1.3–34.9) | 0.021 | ||
HR hazard ratio, CI confidence interval, CAOD coronary artery occlusive disease, PAOD peripheral artery occlusive disease, COPD chronic obstructive pulmonary disease