Table 1. Comparison of clinico-pathological characteristics in young vs old women.
| Variables | ⩽40 years | ⩾50 years | P -value a |
|---|---|---|---|
| Age (Mean) | 34.6 | 61.8 | <0.00 |
| Race | 162 (%) | 100 (%) | <0.00 |
| Caucasian | 32 (19.8) | 46 (46) | |
| African American | 54 (33.3) | 36 (36) | |
| Hispanic | 69 (42.6) | 16 (16) | |
| Other | 7 (4.32) | 2 (2) | |
| Grade | 153 | 96 | <0.00 |
| 1 | 9 (5.9) | 11 (11.4) | |
| 2 | 31 (20.2) | 47 (49.0) | |
| 3 | 113 (73.9) | 38 (39.6) | |
| DNA ploidy | 150 | 98 | 0.11 |
| Aneuploid | 112 (74.7) | 64 (65.3) | |
| Diploid | 38 (25.3) | 34 (34.7) | |
| Tumour size (cm) | 4.33±3.27 | 3.30±3.18 | 0.01 |
| Tumour stage | 155 | 97 | 0.02 |
| 1 | 37 (23.9) | 38 (39.2) | |
| 2 | 63 (40.7) | 34 (35.0) | |
| 3 | 32 (20.6) | 19 (19.6) | |
| 4 | 23 (14.8) | 6 (6.2) | |
| Nodal stage | 147 | 97 | 0.00 |
| 0 | 43 (29.2) | 48 (49.5) | |
| 1 | 77 (52.4) | 33 (34.0) | |
| 2 | 10 (6.8) | 9 (9.3) | |
| 3 | 17 (11.6) | 7 (7.2) | |
| Clinical stage | 161 | 100 | 0.00 |
| I | 22 (13) | 29 (29) | |
| II | 61 (38) | 40 (40) | |
| III | 62 (39) | 28 (28) | |
| IV | 16 (10) | 3 (3) | |
| Treatment | |||
| Pre-surgical therapy | 151 | 100 | 0.03 |
| Yes | 56 (37.1) | 24 (24) | |
| No | 95 (62.9) | 76 (76) | |
| Surgery | 141 | 100 | 0.00 |
| Partial mastectomy | 53 (37.6) | 56 (56) | |
| Radical mastectomy | 57 (40.4) | 19 (19) | |
| Total mastectomy | 21 (14.9) | 24 (24) | |
| Bilateral total mastectomy | 10 (7.1) | 1 (1) | |
| Post-surgical therapy | 134 | 71 | |
| Chemotherapy | 36 (26.9) | 31 (43.7) | 0.00 |
| Radiation | 35 (26.1) | 6 (8.4) | |
| Chemotherapy and radiation | 63 (47.0) | 34 (47.9) | |
| Hormonal therapy | 134 | 71 | 0.00 |
| Yes | 70 (52.2) | 41 (57.7) | |
| No | 64 (47.8) | 30 (42.3) | |
a
P-value <0.05 is significant.