Table 2.
Summary of datasets
| Dataset | Sample Size | ||
|---|---|---|---|
| All(N%) | Dead(N%) | Survival(N%) | |
| Original data | 15,053 | 11,207 (74.45%) | 3846 (25.55%) |
| External validation data | 5871 | 3839 (65.39%) | 2032 (34.61%) |
| Subgroup analysis data | 395 | 276 (69.87%) | 119 (30.13%) |
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