Table 2.
Distribution of Tumor Characteristics According to Gender
| Variables | Male N=71* N (%) | Female N=213* N (%) | p value |
|---|---|---|---|
| Histological type | |||
| Invasive Ductal Carcinoma | 55 (77.5) | 176 (82.6) | 0.002 |
| Papillary Carcinoma | 9 (12.7) | 5 (2.3) | |
| Others | 7 (9.9) | 32 (15.0) | |
| Histological Grade | |||
| High grade (grade III) | 18 (29.5) | 74 (43.0) | 0.069 |
| Low grade (grades I and II) | 43 (70.5) | 98 (57.0) | |
| Tumor size | |||
| < 2 cm | 34 (47.9) | 84 (39.6) | 0.081 |
| 2 – 5 cm | 22 (31.0) | 97 (45.8) | |
| > 5 cm | 15 (21.1) | 31 (14.6) | |
| Clinical staging | |||
| < 2B | 29 (41.4) | 87 (41.4) | 1 |
| ≥ 2B | 41 (58.6) | 123 (58.6) | |
| Lymph node involvement | |||
| Negative | 32 (46.4) | 111 (53.9) | 0.745 |
| 1-4 positive lymph nodes | 21 (30.4) | 48 (23.3) | |
| > 4 positive lymph nodes | 16 (23.2) | 47 (22.8) | |
| Estrogen receptor | |||
| Positive | 61 (88.4) | 142 (68.9) | 0.001 |
| Negative | 8 (11.6) | 64 (31.1) | |
| Progesterone Receptor | |||
| Positive | 50 (75.8) | 111 (54.1) | 0.002 |
| Negative | 16 (24.2) | 94 (45.9) | |
| HER-2 | |||
| Positive | 0 | 15 (18.8) | 0.002 |
| Negative | 23 (82.1) | 63 (78.8) | |
| Undetermined | 5 (17.9) | 2 (2.5) | |
*
Differences in the frequency of variables are due to missing information; Column percentages are presented; Statistically significant differences are highlighted in bold