Distribution of Low and High GRPR Expression Within Different Molecular Subtype of Breast Cancers
| GRPR expression | ||||
| Subtype | No. of patients | Low % | High % | P |
| Luminal A | 963 | 13.8 | 86.2 | <0.00001 |
| Luminal B HER2− | 220 | 29.5 | 70.5 | |
| Luminal B HER2+ | 99 | 17.2 | 82.8 | |
| HER2-enriched | 47 | 78.7 | 21.3 | |
| Triple-negative | 103 | 92.2 | 7.8 | |