Table 3. Breast cancer specific mortality (HR) for seven Asian subgroups and the aggregate Asian/Pacific Islander category*.
| Non-Hispanic white (n = 93,089) | Pacific Islander† (n = 543) | Southeast Asian (n = 3,886) | Indian Continent† (n = 1,175) | Chinese† (n = 3,796) | Japanese (n = 1,736) | Filipino (n = 4,868) | Korean† (n = 1,027) | Combined Asian/Pacific Islander (n = 17,031) | |
|---|---|---|---|---|---|---|---|---|---|
| All subtypes combined (n = 104,487) | 1.00 | - | 0.78 (0.69-0.89) |
- | - | 0.69 (0.57-0.82) |
0.83 (0.76-0.91) |
- | 0.83 (0.79-0.88) |
| ER+/PR+/HER2- (n = 66,716) | 1.00 | - | 0.75 (0.61-0.91) |
- | - | 0.60 (0.45-0.81) |
- | - | 0.83 (0.76-0.91) |
| ER+/PR+/HER2+ (n = 7,757) | 1.00 | - | - | - | - | - | - | - | 0.84 (0.71-0.98) |
| ER+/PR-/HER2- (n = 10,238) | 1.00 | - | 0.57 (0.38-0.84) |
- | - | - | 0.71 (0.51-0.97) |
- | 0.76 (0.63-0.91) |
| ER+/PR-/HER2+ (n = 3,366) | 1.00 | - | - | - | - | - | - | - | - |
| ER-/PR-/HER2- (n = 12,548) | 1.00 | - | - | - | - | - | - | - | 0.84 (0.74-0.94) |
| ER-/PR-/HER2+ (n = 6,373) | 1.00 | - | - | - | - | 0.49 (0.25-0.99 |
0.74 (0.58-0.94) |
- | 0.79 (0.68-0.91) |
Data are presented as hazard ratio (95% confidence interval).
ER=estrogen receptor; PR=progesterone receptor; HER2=human epidermal growth factor receptor 2.
*Models adjusted for age, stage at diagnosis, tumor grade, year of diagnosis, treatment (chemotherapy, hormone therapy, radiation therapy, and surgery), and socioeconomic status; †Blanks indicate that Asian ethnicity Asian ethnicity was not a statistically significant factor for risk of mortality for any subtype (Wald chi-square >0.049).