Table 3. Univariate analysis for CSS and OS in different groups.
| Analysis | Group | CSS | OS | |||||
|---|---|---|---|---|---|---|---|---|
| HR | 95% CI | P value | HR | 95% CI | P value | |||
| Analysis 1 | TC | Ref. | Ref. | |||||
| TC2BC | 0.333 | 0.243–0.456 | <0.001 | 1.544 | 1.428–1.668 | <0.001 | ||
| BC2TC | 1.299 | 1.062–1.589 | 0.011 | 3.429 | 3.158–3.724 | <0.001 | ||
| Analysis 2 | TC | Ref. | Ref. | |||||
| TC2BC + BC2TC | 0.709 | 0.598–0.842 | <0.001 | 2.083 | 1.966–2.207 | <0.001 | ||
| Analysis 3 | TC2BC | Ref. | Ref. | |||||
| BC2TC | 4.762 | 3.222–7.038 | <0.001 | 2.715 | 2.411–3.056 | <0.001 | ||
CSS, cancer-specific survival; OS, overall survival; HR, hazard ratio; CI, confidence interval; TC, thyroid cancer; BC, breast cancer; TC2BC, BC after TC; BC2TC, BC before TC.