Variable | Triple negative (n= 129) | Non-triple negative (n= 577) | P a | ||
---|---|---|---|---|---|
N | % | N | % | ||
Age at diagnosis, years | |||||
≤50 | 61 | 47.29 | 247 | 42.81 | 0.354 |
>50 | 68 | 52.71 | 330 | 57.19 | |
Age at menarche, years | |||||
≤13 | 22 | 17.05 | 95 | 16.46 | 0.494 |
14 to 16 | 57 | 44.19 | 256 | 44.37 | |
≥17 | 18 | 13.95 | 99 | 17.16 | |
Not available | 32 | 24.81 | 127 | 22.01 | |
Childbearing history | |||||
0 children | 4 | 3.10 | 17 | 2.95 | 0.934 |
1 child | 62 | 48.06 | 288 | 49.91 | |
2 children | 28 | 21.71 | 117 | 20.28 | |
≥ 3 children | 12 | 9.30 | 64 | 11.09 | |
Not available | 23 | 17.83 | 91 | 15.77 | |
Tumor size | |||||
≤2 cm | 48 | 37.21 | 229 | 39.69 | 0.792 |
>2 cm | 66 | 51.16 | 298 | 51.65 | |
Not available | 15 | 11.63 | 50 | 8.67 | |
Lymph node involvement | |||||
Negative | 84 | 65.12 | 280 | 48.53 | 0.001 |
Positive | 45 | 34.88 | 290 | 50.26 | |
Not available | 0 | 0 | 7 | 1.21 | |
Family history | |||||
Yes | 8 | 6.20 | 30 | 5.20 | 0.599 |
No | 110 | 85.27 | 512 | 88.73 | |
Not available | 11 | 8.53 | 35 | 6.07 |