Table 6 Comparison of intrinsic subtypes distribution in different populations
Reference | Country | All patients (%) | ER/PR + HER2- | ER/PR + HER2+ | HER2 type | Basel-like | Unclassified |
|---|---|---|---|---|---|---|---|
Our research | Japan | 471 (100) | 306 (65.0) | 41 (8.7) | 59 (12.5) | 37 (7.9) | 28 (5.9) |
Shibuta et al . [[6]] | Japan | 4,266 (100) | 3,046 (71) | 321 (8) | 398 (9) | 501 (12) | |
Carey et al . [[2]] | US | 496 (100) | 255 (51.4) | 77 (15.5) | 33 (6.7) | 100 (20.1) | 31 (6.3) |
African American | 196 (100) | 93 (47.4) | 25 (12.8) | 16 (8.2) | 52 (26.5) | 10 (5.1) | |
Non-African American | 300 (100) | 162 (54) | 52 (17.3) | 17 (5.7) | 48 (16) | 21 (7) | |
Tamimi et al . [[3]] | US | 2,249 (100) | 1,650 (73) | 116 (5) | 128 (6) | 245 (11) | 110 (5) |