Table 1.
The characteristics of patients according to ABO blood group.
| Blood groups | A | B | O | AB | p Value | |
|---|---|---|---|---|---|---|
| Number of pts [n, (%)] | 1721 (43.6) | 586 (14.9) | 1323 (33.5) | 314 (8) | ||
| Histology [n, (%)] | IDC | 1085 (43.7) | 398 (14.7) | 916 (33.8) | 215 (7.9) | 0.936 |
| ILC | 82 (42.9) | 31 (16.2) | 63 (33.0) | 15 (7.9) | ||
| Mixt | 219 (45.5) | 75 (15.6) | 149 (31.0) | 38 (7.9) | ||
| DCIS | 56 (37.1) | 21 (13.9) | 60 (39.7) | 14 (9.3) | ||
| Others* | 179 (44.0) | 61 (15.0) | 135 (33.2) | 32 (7.9) | ||
| ER status [n, (%)] | Positive | 1280 (44.3) | 436 (15.1) | 951 (32.9) | 223 (7.7) | 0.262 |
| Negative | 375 (41.1) | 136 (14.9) | 326 (35.7) | 76 (8.3) | ||
| Missing | 66 (46.8) | 14 (9.9) | 46 (32.6) | 15 (10.6) | ||
| PR status [n, (%)] | Positive | 1172 (44.3) | 394 (14.9) | 866 (32.7) | 214 (8.1) | 0.349 |
| Negative | 458 (41.3) | 171 (15.4) | 395 (35.6) | 85 (7.7) | ||
| Missing | 91 (48.1) | 21 (11.1) | 62 (32.8) | 15 (7.9) | ||
| HER2 status [n, (%)] | Positive | 384 (45.9) | 136 (16.3) | 262 (31.3) | 54 (6.5) | 0.176 |
| Negative | 1312 (43.1) | 439 (14.4) | 1038 (34.1) | 257 (8.4) | ||
| Missing | 25 (40.3) | 11 (17.7) | 23 (37.1) | 3 (4.8) | ||
| Tumor size (cm) [n, (%)] | ≤2 | 564 (42.2) | 192 (14.4) | 488 (36.6) | 91 (6.8) | 0.020 |
| >2 | 1091 (44.2) | 372 (15.1) | 792 (32.1) | 214 (8.7) | ||
| N/A | 66 (47.1) | 22 (15.7) | 43 (30.7) | 9 (6.4) | ||
| Nodal involvement [n, (%)] | Negative | 763 (43.7) | 247 (14.1) | 593 (33.9) | 144 (8.2) | 0.710 |
| Positive | 872 (43.8) | 308 (15.5) | 654 (32.8) | 158 (7.9) | ||
| N/A | 86 (42) | 31 (15.1) | 76 (37.1) | 12 (5.9) | ||
| Metastasis | M0 | 1553 (43.6) | 528 (14.8) | 1193 (33.5) | 287 (8.1) | 0.967 |
| M1 | 150 (43.9) | 53 (15.5) | 114 (33.3) | 25 (7.3) | ||
| Not available | 18 (43.9) | 5 (12.2) | 16 (39) | 2 (4.9) |
*
Others includes tubular, mucinous, metaplastic and papillary carcinoma of breast.