Table 1 Tumor characteristics of the study cases
From: Obesity is a significant risk factor for breast cancer in Arab women
Parameter | Total (%) N = 534 | Pre-menopause n =266 | Post-menopause n =267 | p-value |
|---|---|---|---|---|
Laterality | Â | Â | Â | 0.6945 |
  Left | 275 (51.5) | 133 (24.9) | 142 (26.7) | |
  Right | 250 (46.8) | 129 (24.1) | 120 (22.6) | |
  Bilateral | 9 (1.7) | 4 (0.75) | 5 (0.94) | |
Stage Left | Â | Â | Â | 0.9483 |
  I | 14(5.0) | 7 (2.5) | 7 (2.5) | |
  II | 147 (52.5) | 73 (26.1) | 74 (26.5) | |
  III | 90 (32.1) | 42 (15.0) | 48 (17.2) | |
  IV | 29 (10.4) | 13 (4.7) | 16 (5.7) | |
Stage Right | Â | Â | Â | 0.0945 |
  I | 26 (10.2) | 15 (5.9) | 11 (4.4) | |
  II | 123 (48.2) | 67 (26.4) | 56 (22.1) | |
  III | 76 (29.8) | 39 (15.4) | 36 (14.2) |  |
  IV | 30 (11.8) | 9 (3.6) | 21 (8.3) | |
Grade | Â | Â | Â | 0.5207 |
  I | 25 (4.9) | 15 (3.0) | 10 (2.0) | |
  II | 285 (56.7) | 141 (28.2) | 143 (28.6) | |
  III | 193 (38.4) | 91 (18.2) | 100 (20.0) | |
ER | Â | Â | Â | Â |
  Negative | 173 (32.4) | 104 (19.6) | 69 (12.9) |  |
  Positive | 312 (58.4) | 139 (26.2) | 170 (32.0) | 0.0037 |
  Unknown | 49 (9.2) | 21 (3.9) | 28 (5.3) | |
PR | Â | Â | Â | Â |
  Negative | 220 (41.2) | 120 (22.6) | 98 (18.5) |  |
  Positive | 265 (49.6) | 123 (23.2) | 141 (26.6) | 0.1091 |
  Unknown | 49 (9.2) | 21 (3.9) | 28 (5.3) |  |
Her_2 | Â | Â | Â | Â |
  Negative | 162 (54.6) | 86 (29.3) | 74 (25.2) |  |
  Positive | 132 (44.4) | 77 (26.2) | 54 (18.4) | 0.5072 |
  Unknown | 3 (1.0) | 1 (0.34) | 2 (0.68) |