Table 1.
Clinical characteristics of patients with breast cancer, benign breast tumors, Graves’ disease and in controls
| Parameter |
Clinical characteristics |
Statistical analysis |
|||||
|---|---|---|---|---|---|---|---|
| BC | BBT | C | All patients | p (BC vs. BBT) | p (BC vs. C) | p (BBT vs. C) | |
|
Patients – No (%) |
9 (0.53%) |
47 (2.78%) |
1630 (96.6%) |
1686 (100%) |
ns |
<0.0001 |
<0.0001 |
|
Age – yr (mean ± SD) |
54.55 ± 9.60 |
46.27 ± 14.18 |
36.10 ± 15.89 |
36.48 ± 15.95 |
ns |
0.0005 |
<0.0001 |
| Graves’ disease – No (%) | 3 (33.3%) | 6 (12.7%) | 111 (6.8%) | 120 (7.1%) | ns | 0.0025 | ns |
Clinical characteristics of patients with breast cancer (BC), patients with benign breast tumors (BBT) and controls (C) and the occurrence of Graves’ disease. Statistical evaluation was done by an unpaired Student’s t-test (for age) or by the two-sided ratio comparison test (for no. of patients and for Graves’ disease occurrence); ns, non-significant.