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The staging status of breast cancer patients according to age groups
| Stage |
All
*
N (%) |
<40 y
N (%) |
≥40 y
N (%) |
P-value |
|---|---|---|---|---|
| I | 100 (15.8) | 6 (5.8) | 93 (18.2) | 0.004 |
| IIA | 56 (8.8) | 35 (28.9) | 127 (24.8) | |
| IIB | 162 (25.6) | 36 (29.8) | 134 (26.2) | |
| IIIA | 10 (26.9) | 29 (24.0) | 72 (14.1) | |
| IIIB | 101 (16.0) | 3 (2.5) | 19 (3.7) | |
| IIIC | 22 (3.5) | 2 (1.7) | 20 (3.9) | |
| IV | 22 (3.5) | 9 (7.4) | 47 (9.2) | |
| All | 633 (100) | 121 (100) | 512 (100) |
In 48 cases, the stage was not determined because of missing data of TNM status.
