Table 1 Clinical and pathological characteristics of Lebanese breast cancer tissues used in microarray and RT-qPCR.
Patient Characteristics | Assay Type | |
|---|---|---|
Microarray | RT-qPCR | |
| Â | N(%) | N(%) |
Normal | 17 (27.4) | 10 (33.3) |
Tumor | 45 (72.6) | 20 (66.7) |
Age | ||
 ≤40 years | 19 (42.2) | 6 (30) |
 >40 years | 26 (57.8) | 14 (70) |
Menopausal status | ||
 Premenopausal | 27 (60) | 10 (50) |
 Postmenopausal | 18 (40) | 10 (50) |
ER status | ||
 Negative | 0 (0) | 0 (0) |
 Positive | 45 (100) | 20 (100) |
PR status | Â | Â |
 Negative | 1 (2.2) | 0 (0) |
 Positive | 44 (97.8) | 20 (100) |
HER2 overexpression | ||
 Negative | 34 (75.5) | 15 (75) |
 Positive | 11 (24.5) | 5 (25) |
Lymph node involvement | ||
 No | 19 (45.2) | 9 (45) |
 Yes | 23 (54.8) | 11 (55) |
Tumor size | ||
 T1: ≤2 cm | 19 (42.2) | 7 (35) |
 T2: >2 cm but ≤5 cm | 21 (46.7) | 10 (50) |
 T3: >5 cm | 4 (8.9) | 3 (15) |
 T4: any size with direct extension to chest wall and/or to skin | 1 (2.2) | 0 (0) |
Tumor grade | ||
 G1: Well differentiated | 7 (15.6) | 2 (10) |
 G2: Moderately differentiated | 20 (44.4) | 12 (60) |
 G3–G4: Poorly differentiated | 18 (40) | 6 (30) |
