Table 3.
Patients' characteristics showing YY1 protein expression
| YY1 | |||
|---|---|---|---|
| Variable | Positive (%) | Negative (%) |
χ2 (P-value) |
| Patients age | |||
| 26 (6.7) | 53 (6.9) | 1.454 (0.693) |
|
| 110 (28.5) | 196 (25.4) | ||
| 119 (30.8) | 242 (31.3) | ||
| 131 (33.9) | 282 (36.5) | ||
| Primary tumour size | |||
| ≤ 1.5 cm | 144 (37.6) | 241 (31.1) | 4.817 (0.028) |
| >1.5 cm | 239 (62.4) | 533 (68.9) | |
| Lymph node Stage | |||
| 1 | 234 (61.1) | 492 (63.6) | 1.982 (0.371) |
| 2 | 118 (30.8) | 209 (27.0) | |
| 3 | 31 (8.1) | 72 (9.3) | |
| Grade | |||
| 1 | 85 (22.2) | 113 (14.6) | 46.984 (<0.001) |
| 2 | 162 (42.3) | 220 (28.5) | |
| 3 | 136 (35.5) | 440 (56.9) | |
| NPI | |||
| Poor | 49 (12.8) | 193 (24.9) | 17.284 (<0.001) |
| Moderate | 195 (50.9) | 444 (57.4) | |
| Good | 139 (36.3) | 137 (17.7) | |
| Development of Distant Metastasis | |||
| No | 274 (71.5) | 521 (68.2) | 1.343 (0.246) |
| Positive | 109 (28.5) | 243 (31.8) | |
| Development of Recurrence | |||
| No | 226 (59.2) | 435 (57.4) | 0.328 (0.567) |
| Positive | 156 (40.8) | 323 (42.6) | |
| Vascular invasion | |||
| No | 232 (60.7) | 417 (54.4) | 4.45 (0.108) |
| Probable | 37 (9.7) | 94 (12.3) | |
| Definite | 113 (29.6) | 256 (33.4) | |
| Tumour type | |||
| Ductal/NST | 195 (51.2) | 474 (62.3) | 29.509 (<0.001) |
| Lobular | 53 (13.9) | 59 (7.8) | |
| Tubular and Tubular mixed | 99 (26.0) | 140 (18.4) | |
| Medullary | 5 (1.3) | 29 (3.8) | |
| Other special types* | 8 (2.1) | 11 (1.4) | |
| Mixed** | 19 (5) | 45 (5.9) | |
| Menopausal status | |||
| Premenopausal | 160 (41.5) | 284 (36.7) | 2.417 (0.12) |
| Postmenopausal | 226 (58.5) | 489 (63.3) | |
*Includes Mucoid, invasive cribriform and invasive papillary carcinoma. **Includes ductal/No special type (NST) mixed with lobular or special types. NPI = Nottingham Prognostic Index.