Table 4.
Risk of second primary cancer after first primary male breast cancer diagnosis by race
| Race | ||||||||||
| Non-Hispanic white | Other | |||||||||
| Cancer Site | N | PERYR | OBS | EXP | SIR (95 percent CI) | N | PERYR | OBS | EXP | SIR (95 percent CI) |
| All, breast included | 1,454 | 6,523.25 | 182 | 153.02 | 1.19 (1.02–1.38) | 472 | 1,936.84 | 39 | 37.40 | 1.04 (0.74–1.43) |
| All, breast excluded | 1,454 | 6,572.88 | 168 | 153.92 | 1.09 (0.93–1.27) | 472 | 1,956.75 | 33 | 37.71 | 0.88 (0.60–1.23) |
| Prostate | 1,454 | 6,801.52 | 55 | 57.34 | 0.96 (0.72–1.25) | 472 | 2,002.21 | 14 | 14.96 | 0.94 (0.51–1.57) |
| Second breast | 1,437 | 6,908.47 | 14 | 0.31 | 44.73 (24.45–75.04) | 469 | 2,039.42 | 6 | 0.07 | 84.83 (31.13–184.63) |
| Colorectal | 1,454 | 6,976.41 | 22 | 18.32 | 1.20 (0.75–1.82) | 472 | 2,049.09 | 4 | 4.32 | 0.93 (0.25–2.37) |
| Lung and bronchus | 1,454 | 6,999.32 | 19 | 26.40 | 0.72 (0.43–1.12) | 472 | 2,066.43 | 4 | 6.36 | 0.63 (0.17–1.61) |
| Bladder | 1,454 | 6,963.65 | 19 | 11.93 | 1.59 (0.96–2.49) | 472 | 2,067.37 | 1 | 1.53 | 0.65 (0.02–3.65) |
| Melanomaa | 1,454 | 6,971.11 | 14 | 4.69 | 2.98 (1.63–5.00) | - | - | - | - | - |
| Stomach | 1,454 | 7,013.32 | 8 | 3.16 | 2.53 (1.09–4.99) | 472 | 2,061.12 | 2 | 1.58 | 1.27 (0.15–4.57) |
Bold numbers indicate that the 95 percent confidence interval (CI) does not include 1.00. aNon-Hispanic whites only. EXP, expected; N, number of subjects; OBS, observed; PERYR, person years at risk; SIR, standardized incidence ratios.