Table 3.
Subgroup Analyses of Partial Thrombosis of False Lumen and Risk of Long‐Term Mortality in Acute Aortic Dissection
| Factors | No. | Type A Acute Aortic Dissection | No. | Type B Acute Aortic Dissection | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| HR (95% CI) | P Value | I2 | Heterogeneity, P Value | HR (95% CI) | P Value | I2 | Heterogeneity, P Value | |||
| Region | ||||||||||
| Asia | 2 | 4.18 (1.56–11.19) | 0.004 | 0.0 | 0.498 | 2 | 1.65 (0.72–3.76) | 0.238 | 5.5 | 0.304 |
| Europe | 0 | — | — | — | — | 1 | 2.69 (1.45–4.98) | 0.002 | — | — |
| Multicenters | 1 | 0.78 (0.30–1.99) | 0.600 | — | — | 0 | — | — | — | — |
| Design | ||||||||||
| Prospective | 2 | 2.02 (0.26–15.98) | 0.503 | 79.8 | 0.026 | 3 | 2.24 (1.37–3.65) | 0.001 | 0.0 | 0.371 |
| Retrospective | 1 | 3.21 (1.19–14.38) | 0.035 | — | — | 0 | — | — | — | — |
| Sample size | ||||||||||
| More than 200 | 1 | 0.78 (0.3–1.99) | 0.600 | — | — | 2 | 2.70 (1.55–4.70) | <0.001 | 0.0 | 0.980 |
| Less than 200 | 2 | 4.18 (1.56–11.19) | 0.004 | 0.0 | 0.498 | 1 | 1.16 (0.41–3.26) | 0.776 | — | — |
| Follow‐up, y | ||||||||||
| More than 5 | 1 | 0.78 (0.3–1.99) | 0.600 | — | — | 0 | — | — | — | — |
| Less than 5 | 2 | 4.18 (1.56–11.19) | 0.004 | 0.0 | 0.498 | 3 | 2.24 (1.37–3.65) | 0.001 | 0.0 | 0.371 |
HR indicates hazard ratio.