Table 2.
10-year overall and breast cancer specific survival.
| Selenium Quartile * | Overall Survival (OS) | Breast Cancer Specific Survival | ||
|---|---|---|---|---|
| 10-Year (%) | Log-Rank Test | 10-Year (%) | Log-Rank Test | |
| All group | 76.2 | p | 83.1 | p |
| Quartile 1 | 65.1 | <0.001 a | 76.7 | 0.014 b |
| Quartile 2 | 75.1 | 84.2 | ||
| Quartile 3 | 77.7 | 83.4 | ||
| Quartile 4 | 86.7 | 87.9 | ||
a Selenium level 1 vs. 4 (p < 0.001); 1 vs. 3 (p = 0.01); 1 vs. 2 (p = 0.01); b selenium level 1 vs. 4 (p = 0.008); 1 vs. 3 (p = 0.11); 1 vs. 2 (p = 0.03); * Quartile 1 range 52.1–76.7; Quartile 2 range 76.8–85.1; Quartile 3 range 85.2–94.6; Quartile 4 range 94.7–171.5 µg/L.