Table 2. Clinicopathologic associations between triple-negative and ER-positive breast cancers.
| Univariate | Multivariate | |||||
|---|---|---|---|---|---|---|
| Variable | ER-Positive (n = 149) |
Triple-Negative (n = 72) |
OR (95% CI) | p value | OR (95% CI) | p value |
| Age | 1.00 (0.97, 1.03) | 0.765 | ||||
| mean±SD | 52.41 ± 9.26 | 52 ± 10.17 | ||||
| median (IQR) | 52 (46, 60) | 52 (45, 58.25) | ||||
| Histologic Grade | ||||||
| well, moderate | 126 (84.56) | 9 (12.5) | Reference | |||
| poor | 23 (15.44) | 63 (87.5) | 38.35 (17.52, 92.89) | <0.001 | 12.96 (5.20, 35.32) | <0.001 |
| Axillary Nodal Status | ||||||
| negative | 94 (63.09) | 48 (66.67) | Reference | |||
| positive | 55 (36.91) | 24 (33.33) | 0.85 (0.47, 1.54) | 0.603 | ||
| Ki67 | ||||||
| mean±SD | 16.47 ± 17.64 | 64.47 ± 25.08 | ||||
| median (IQR) | 10 (5, 25) | 70 (48.75, 80) | ||||
| <14% | 104 (69.80) | 5 (6.94) | Reference | |||
| ≥14% | 45 (30.20) | 67 (93.06) | 30.97 (12.77, 92.97) | <0.001 | 7.16 (2.30, 25.20) | <0.001 |
| Lesion Size | ||||||
| mean±SD | 2.36 ± 1.24 | 2.13 ± 0.92 | ||||
| median (IQR) | 2.1 (1.5, 2.7) | 1.95 (1.5, 2.5) | ||||
| ≤2cm | 68 (45.64) | 40 (55.56) | Reference | |||
| >2cm | 81 (54.36) | 32 (44.44) | 0.67 (0.38, 1.18) | 0.168 | ||
| Recurrence | ||||||
| none | 145 (97.32) | 65 (90.28) | Reference | |||
| event | 4 (2.68) | 7 (9.72) | 3.9 (1.14, 15.34) | 0.035 | 2.78 (0.49, 21.95) | 0.293 |
OR: odds ratio