Table 4.
Cox regression analysis of overall survival, with second cancer as a time-dependent covariate
| Hazard ratio | P-value | ||
|---|---|---|---|
| Age diagnosis age <50 | 1 | <0.001 | |
| ≥50 | 2.457 | ||
| Second cancers without | 1 | <0.001 | |
| with | 1.771 | ||
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