Table 2.
Distribution of breast cancer subtypes by Asian ethnic group
| Ethnicity | Breast cancer subtypea | Total | |||
|---|---|---|---|---|---|
| Luminal A | Luminal B | Her2/neu | Basal-like | ||
| Chinese, N (%) | 126 (66.7) | 30 (15.9) | 17 (9.0) | 16 (8.5) | 189 |
| Filipino, N (%) | 33 (48.5) | 15 (22.1) | 16 (23.5) | 4 (5.9) | 68 |
| Japanese, N (%) | 28 (80.0) | 4 (11.4) | 1 (2.9) | 2 (5.7) | 35 |
| Korean, N (%) | 8 (47.1) | 2 (11.8) | 3 (17.6) | 4 (23.5) | 17 |
| Total, N (%) | 195 (63.1) | 51 (16.5) | 37 (12.0) | 26 (8.4) | 309 |
P = 0.004 by overall Chi-square test
a
Definitions Luminal A: ER pos and/or PR pos, Her2/neu neg; Luminal B: ER pos and/or PR pos, Her2/neu pos; Her2/neu: ER neg, PR neg, Her2/neu pos; basal-like: ER neg, PR neg, Her2/neu neg