Table 1.
Patient characteristics.
| Total | Non-recurrent | Recurrence | p value | |
|---|---|---|---|---|
| (n = 267) | (n = 235) | (n = 32) | ||
| Patient age | ||||
| mean ± SD. | 50.7 ± 10.8 | 50.9 ± 10.7 | 49.6 ± 11.6 | 0.468 |
| Median(IQR) | 51.0 (43.0–58.0) | 51.0 (43.0–58.0) | 48.5 (41.5–56.5) | |
| Menopausal status | ||||
| premenopause | 133 (50.0) | 114 (48.7) | 19 (59.4) | 0.258 |
| postmenopause | 133 (50.0) | 120 (51.3) | 13 (40.6) | |
| Imaging | ||||
| Rim enhancement | ||||
| No | 178 (66.7) | 162 (68.9) | 16 (50.0) | 0.033 |
| Yes | 89 (33.3) | 73 (31.1) | 16 (50.0) | |
| Peritumoral edema | ||||
| No | 163 (61.1) | 145 (61.7) | 18 (56.3) | 0.553 |
| Yes | 104 (39.0) | 90 (38.3) | 14 (43.8) | |
| BPE grade | ||||
| minimal | 143 (53.8) | 125 (53.4) | 18 (56.3) | 0.144 |
| mild | 53 (19.9) | 51 (21.8) | 2 (6.3) | |
| moderate | 43 (16.2) | 35 (15.0) | 8 (25.0) | |
| marked | 27 (10.2) | 23 (9.8) | 4 (12.5) | |
| Ipsilateral vascularity | ||||
| Mean ± SD | 2.0 ± 1.8 | 1.9 ± 1.7 | 3.0 ± 2.4 | 0.010 |
| Median (IQR) | 2.0 (1.0–3.0) | 2.0 (0.0–3.0) | 3.0 (1.0–5.0) | |
| Immunohistochemical staining | ||||
| Subtype | ||||
| luminal A | 63 (23.8) | 58 (24.9) | 5 (15.6) | 0.314 |
| luminal B | 124 (46.8) | 106 (45.5) | 18 (56.3) | |
| HER2 + | 34 (12.8) | 32 (13.7) | 2 (6.3) | |
| Triple negative cancer (TNC) | 44 (16.6) | 37 (15.9) | 7 (21.9) | |
| Staging | ||||
| 0 | 13 (4.9) | 13 (5.6) | 0 (0.0) | 0.001 |
| I | 77 (29.1) | 70 (29.9) | 7 (22.6) | |
| II | 126 (47.6) | 116 (49.6) | 10 (32.3) | |
| III | 45 (17.0) | 33 (14.1) | 12 (38.7) | |
| IV | 4 (1.5) | 2 (0.9) | 2 (6.5) | |
| Texture analysis | ||||
| Kurtosis | ||||
| Mean ± SD | 2.9 ± 0.7 | 2.9 ± 0.7 | 2.9 ± 0.8 | 0.802 |
| Median(IQR) | 2.8 (2.5–3.2) | 2.8 (2.5–3.2) | 2.7 (2.5–3.2) | |
| Skewness | ||||
| Mean ± SD | −0.1 ± 0.4 | −0.1 ± 0.4 | 0.0 ± 0.4 | 0.031 |
| Median (IQR) | −0.1 (−0.3–0.1) | −0.2 (−0.4–0.1) | −0.1 (−0.2–0.3) | |
| Entropy | ||||
| Mean ± SD | 2.0 ± 0.6 | 2.0 ± 0.6 | 2.1 ± 0.5 | 0.359 |
| Median (IQR) | 1.9 (1.6–2.4) | 1.9 (1.6–2.4) | 2.0 (1.8–2.5) | |
| Perfusion parameters | ||||
| Ktrans | ||||
| 25percentile | ||||
| Mean ± SD | 0.2 ± 0.1 | 0.2 ± 0.1 | 0.2 ± 0.1 | 0.325 |
| Median (IQR) | 0.1 (0.1–0.2) | 0.1 (0.1–0.2) | 0.2 (0.1–0.2) | |
| 50percentile | ||||
| Mean ± SD | 0.3 ± 0.2 | 0.3 ± 0.2 | 0.3 ± 0.1 | 0.929 |
| Median (IQR) | 0.2 (0.2–0.3) | 0.2 (0.2–0.3) | 0.2 (0.2–0.4) | |
| 75percentile | ||||
| Mean ± SD | 0.4 ± 0.3 | 0.4 ± 0.3 | 0.4 ± 0.1 | 0.858 |
| Median (IQR) | 0.3 (0.2–0.5) | 0.3 (0.2–0.5) | 0.3 (0.2–0.5) | |
| Mean | ||||
| Mean ± SD | 0.9 ± 9.7 | 1.0 ± 10.3 | 0.3 ± 0.1 | 0.962 |
| Median (IQR) | 0.2 (0.2–0.3) | 0.2 (0.2–0.3) | 0.2 (0.2–0.4) | |
| Kep | ||||
| 25percentile | ||||
| Mean ± SD | 0.3 ± 0.4 | 0.3 ± 0.4 | 0.3 ± 0.2 | 0.211 |
| Median (IQR) | 0.3 (0.2–0.4) | 0.3 (0.2–0.4) | 0.3 (0.2–0.4) | |
| 50percentile | ||||
| Mean ± SD | 0.6 ± 0.8 | 0.6 ± 0.9 | 0.5 ± 0.2 | 0.783 |
| Median (IQR) | 0.5 (0.4–0.6) | 0.5 (0.4–0.6) | 0.5 (0.4–0.6) | |
| 75percentile | ||||
| Mean ± SD | 0.9 ± 1.7 | 0.9 ± 1.8 | 0.8 ± 0.3 | 0.921 |
| Median (IQR) | 0.7 (0.5–0.9) | 0.7 (0.5–0.9) | 0.7 (0.6–0.9) | |
| mean | ||||
| Mean ± SD | 0.7 ± 1.7 | 0.7 ± 1.8 | 0.6 ± 0.2 | 0.742 |
| Median (IQR) | 0.5 (0.4–0.7) | 0.5 (0.4–0.7) | 0.5 (0.5–0.6) | |
| Ve | ||||
| 25percentile | ||||
| Mean ± SD | 102.1 ± 1636.1 | 115.4 ± 1740.0 | 0.4 ± 0.1 | 0.197 |
| Median (IQR) | 0.4 (0.3–0.5) | 0.4 (0.3–0.5) | 0.4 (0.3–0.5) | |
| 50percentile | ||||
| Mean ± SD | 133.6 ± 2141.5 | 151.0 ± 2277.5 | 0.5 ± 0.2 | 0.681 |
| Median (IQR) | 0.5 (0.4–0.6) | 0.5 (0.4–0.6) | 0.5 (0.4–0.6) | |
| 75percentile | ||||
| Mean ± SD | 133.7 ± 2141.5 | 151.1 ± 2277.5 | 0.6 ± 0.2 | 0.960 |
| Median (IQR) | 0.6 (0.5–0.8) | 0.6 (0.5–0.8) | 0.6 (0.5–0.7) | |
| mean | ||||
| Mean ± SD | 110.1 ± 1763.4 | 124.4 ± 1875.3 | 0.5 ± 0.2 | 0.611 |
| Median (IQR) | 0.5 (0.4–0.6) | 0.5 (0.4–0.6) | 0.5 (0.4–0.6) | |