Table 1 Demographic characteristics of normal controls (NC) and breast cancer (BC) patients of different stages
Status | Number (n) | A. Mean ± SD | B. Number of subjects per age range | ||||||
|---|---|---|---|---|---|---|---|---|---|
Age at diagnosis | BMI (kg/m2) | Age at Menarche | 20–35 | 36–45 | 46–55 | 56–65 | > 65 | ||
NC | 24 | 31.54 ± 7.17 | 22.17 ± 2.97 | 14.29 ± 1.46 | 16 | 7 | 1 |  |  |
BC-I | 19 | 42.74 ± 14.04 | 22.14 ± 2.52 | 15.32 ± 1.53 | 8 | 3 | 3 | 5 |  |
BC-II | 23 | 43.7 ± 12.76 | 22.01 ± 3.01 | 15 ± 1.38 | 6 | 10 | 3 | 3 | 1 |
BC-III | 25 | 41.4 ± 12.02 | 21.78 ± 3.02 | 14.48 ± 1.69 | 9 | 6 | 8 | 1 | 1 |
BC-IV | 28 | 43.25 ± 13.84 | 22.89 ± 2.92 | 14.39 ± 1.4 | 10 | 8 | 6 | 2 | 2 |
Total (N) | 119 | Â | Â | Â | 49 | 34 | 21 | 11 | 4 |