Features | Age <55 years | Age >54 years | Rate difference (older-younger) | ||||
---|---|---|---|---|---|---|---|
DCIS | IDC | Relative rate | DCIS | IDC | Relative rate | ||
Luminal A | 8 | 100 | 0.8944 | 26 | 263 | 0.8277 | −0.0667 |
Luminal B1 | 2 | 108 | 1.3772 | 4 | 232 | 1.4013 | 0.0241 |
Luminal B2 | 4 | 65 | 0.9787 | 8 | 133 | 0.9861 | 0.0074 |
HER2 | 4 | 37 | 0.7998 | 6 | 88 | 0.9456 | 0.1458 |
Triple-negative | 2 | 73 | 1.2456 | 4 | 81 | 1.0504 | −0.1952 |
Total | 18 | 275 | 0.9588 | 44 | 565 | 0.903 | −0.0558 |
ER+PgR+ | 14 | 253 | 1.0151 | 25 | 546 | 1.0752 | 0.0601 |
ER+PgR− | 0 | 15 | n/a | 13 | 76 | 0.6611 | n/a |
ER−PgR− | 6 | 110 | 1.0198 | 10 | 169 | 0.9914 | −0.0284 |
Total | 20 | 378 | 1.0298 | 48 | 791 | 0.9832 | −0.0466 |