Table 3.
Standardized mortality ratio (SMR) for age among matched male (N = 1,111) and female (N = 2,151) breast cancer patients.
| Variables/ Age, year | Male Breast Cancer | Female Breast Cancer | ||||||
|---|---|---|---|---|---|---|---|---|
| Observed | Expected | Adjusted SMR* | P-Value | Observed | Expected | SMR* | P-Value | |
| <45 | 11 | 1 | 12.65 (6.57, 21.66) | P < 0.001 | 23 | 2 | 26.24 (16.92, 38.47) | P < 0.001 |
| 45–55 | 51 | 10 | 5.13 (3.85, 6.67) | 52 | 12 | 4.30 (3.23, 5.58) | ||
| 55–65 | 63 | 28 | 2.25 (1.74, 2.85) | 91 | 35 | 2.62 (2.12, 3.20) | ||
| 65–75 | 123 | 61 | 2.01 (1.68, 2.39) | 159 | 80 | 1.99 (1.69, 2.31) | ||
| 75–85 | 129 | 77 | 1.67 (1.40, 1.97) | 224 | 131 | 1.71 (1.49, 1.94) | ||
| >85 | 58 | 40 | 1.23 (0.94, 1.58) | 86 | 88 | 0.97 (0.78, 1.20) | ||
| Total | 435 | 211 | 1.94 (1.76, 2.13) | 635 | 348 | 1.83 (1.69–1.97) | ||
*Adjusted for year of diagnosis and race.
P for homogeneity of SMR between age groups.