Research Article
Breast Cancer in Young Brazilian Women: Challenge for the Oncology Care
Table 1
Characteristics of breast cancer in Brazilian women from January 2009 to December 2012.
| | Variables | Age group | OR (IC 95%) | value | | <40 | ≥40 | | (%) | (%) |
| | Number of cases | 3309 (10.6) | 27886 (89.4) | | | | Education level | | | | | | <8 years | 353 (8.1) | 4049 (91.9) | 0.62 (0.54–0.70) | <0.001 | | ≥8 years | 843 (12.4) | 5961 (87.6) | 1.0 | | Lesion detection | | | | | | Clinical breast exam | 2210 (11.5) | 16939 (88.5) | 1.34 (1.24–1.45) | <0.001 | | Image study | 973 (8.8) | 9993 (91.2) | 1.0 | | Palpable axillary lymph node | | | | | | Presence | 1124 (11.9) | 8316 (88.1) | 1.28 (1.18–1.39) | <0.001 | | Absence | 1635 (9.5) | 15494 (90.5) | 1.0 | | Histological type | | | | | | Ductal carcinoma | 2145 (10.9) | 17468 (89.1) | 1.36 (1.22–1.53) | <0.001 | | Others | 397 (8.2) | 4413 (91.8) | 1.0 | | Histological degree | | | | | | Grade I | 150 (7.2) | 1932 (92.8) | 1.0 | <0.001 | | Grade II or III | 1621 (11.1) | 13014 (88.9) | 16.01 (13.30–19.28) | | Surgical approach | | | | | | Simple mastectomy | 121 (13.6) | 769 (86.4) | 1.0 | 0.1305 | | Radical mastectomy | 354 (11.6) | 2686 (88.4) | 0.84 (0.67–1.05) |
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