Research Article
Association of Preoperative Serum Levels of CEA and CA15-3 with Molecular Subtypes of Breast Cancer
Table 4
Correlation between serum CA15-3 level and clinicopathological factors.
| | Characteristic | CA15-3 negative () | CA15-3 positive () | value |
| | Age (years) | | | 0.4001 | | <50 | 432 (95.15) | 22 (4.85) | | | ≥50 | 475 (93.69) | 32 (6.31) | | | Histologic grade | | | 0.0223 | | Grade 1 | 69 (98.57) | 1 (1.43) | | | Grade 2 | 562 (95.42) | 27 (4.58) | | | Grade 3 | 187 (91.22) | 18 (8.78) | | | Tumor size (cm) | | | <0.0001 | | <2 | 503 (97.48) | 13 (2.52) | | | ≥2 | 348 (90.86) | 35 (9.14) | | | Node status | | | 0.0001 | | N0 | 493 (97.05) | 15 (2.95) | | | N1 | 371 (91.15) | 36 (8.85) | | | ER | | | 0.0036 | | Negative | 227 (90.44) | 24 (9.56) | | | Positive | 680 (95.77) | 30 (4.23) | | | PR | | | 0.0056 | | Negative | 266 (91.10) | 26 (8.90) | | | Positive | 641 (95.81) | 28 (4.19) | | | Her2 | | | 0.0729 | | Negative | 690 (95.17) | 35 (4.83) | | | Positive | 217 (91.95) | 19 (8.05) | | | Ki67 (%) | | | 0.2050 | | <14 | 247 (96.11) | 10 (3.89) | | | ≥14 | 658 (93.73) | 44 (6.27) | |
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