| Familial breast cancer patients (N = 66) | Sporadic breast cancer patients (N = 64) | At risk Individuals (N = 70) |
---|---|---|---|
Age (years) at diagnosis (patients)/sample collection (at risk individuals) | Â | Â | Â |
   Mean ± SD | 46.97+9.05 | 47.37+10.06 | 40.51+12.01 |
   ≤ 40 | 18 | 20 | 33 |
   > 40 | 48 | 44 | 37 |
Number of family members with breast cancer | Â | Â | Â |
   N = 0 | 0 | 64 | 0 |
   N = 1 | 44 (1st: 18, 2nd: 26) | 0 | 28 |
   N = 2 | 19 (1st: 5, 2nd: 11, 1st & 2nd both: 3) | 0 | 18 |
   N = 3 | 03 (1st and 2nd) | 0 | 24 |
Number of family members with other cancers* | Â | Â | Â |
   N = 1 | 16 | 0 | 17 |
   N = 2 | 07 | 0 | 24 |
   N = 3 | 01 | 0 | 01 |
   N = 4 | 01 | 0 | 0 |
Ethnicity | Â | Â | Â |
   Muslim | 02 | 03 | 01 |
   Sinhalese | 62 | 58 | 68 |
   Tamil | 02 | 03 | 01 |