Table 3.
Hazard ratios and subdistribution hazard ratios demonstrating association of prior cancer and survival.
| No. of breast cancer-specific deaths | Breast cancer- specific survival | No. of all-cause deaths | Overall survival | No. of breast-cancer specific deaths | Breast cancer- specific survival | No. of all-cause deaths | Overall survival | |
|---|---|---|---|---|---|---|---|---|
| Crude HR (95% CI) | $Adjusted HR (95% CI) | |||||||
| Full sample of male breast cancer patients demonstrating association of prior cancer compared to those with no prior cancer (n=1923) | ||||||||
| Prior cancer | 38 | 0.80 (0.57, 1.12) | 150 | 1.7 (1.39, 1.97)* | 34 | 0.94 (0.66, 1.35) | 139 | 1.31 (1.09, 1.57) |
| No prior cancer | 327 | Ref. | 754 | Ref. | 295 | Ref. | 701 | Ref. |
| Subgroup analyses of male breast cancer patients demonstrating association of prior prostate cancer compared to those without prior cancer (n=1792) | ||||||||
| Prior prostate cancer | 12 | 0.55 (0.31, 0.99) | 59 | 1.32 (1.02, 1.70) | 10 | 0.57 (0.31, 1.05) | 55 | 1.01 (0.77, 1.32) |
| No prior cancer | 327 | Ref. | 754 | Ref. | 295 | Ref. | 701 | Ref. |
| Subgroup analyses demonstrating association of time elapsed between prior cancer and index breast cancer with survival (n=241) | ||||||||
| ≤5 years | 22 | 1.07 (0.57, 2.03) | 85 | 1.01 (0.74, 1.39) | 18 | 0.44 (0.20, 0.94) | 77 | 1.08 (0.77, 1.52) |
| >5 years | 16 | Ref. | 65 | Ref. | 16 | Ref. | 62 | Ref. |
HR: The HR for breast cancer specific survival represents subdistribution hazard ratio
CI: Confidence Interval
$ Adjusted model for age, breast cancer stage, and tumor size.
*Indicates p-value <0.01