Table 2.
Age Range, Tumor Type and Location, Degree of Malignancy, and Frequency of Human Papillomavirus (HPV) Infection in Women with Malignant Breast Tumors (cases) and Women with Nonmalignant Breast Tissues (Controls)
| Variables | Cases (malignant breast tumors) n=70 | Controls (nonmalignant breast tumors) n=70 | p-value | |
|---|---|---|---|---|
| Age range (years) | 25-72 (mean: 47.8, SD: 10.1) | 13-66 (mean: 31.5, SD: 10.4) | 0.001 | |
| Invasive Ductal Carcinoma | 70 | 0 | ||
| Fibrocystic tumor | 0 | 17 (24.3%) | ||
| Fibroadenoma | 0 | 53 patients (75.7%) | ||
| Tumor location | Left breast: 25 (35.7%) | Left breast: 35 (50%) | 0.088 | |
| Right breast: 45 (64.3%) | Right breast: 35 (50%) | |||
| Degree of malignancy | II | 2 (1.4%) | ||
| III | 34 (24.3%) | |||
| II/III | 32 (22.9%) | |||
| III/IV | 2 (1.4%) | |||
| HPV-16 | 0 | 0 | ||
| HPV-18 | 2 (2.56%) | 0 | 0.496 | |
| HPV-31 | 0 | 0 | ||
| HPV-33 | 0 | 0 | ||