Table 1.
Patient characteristics
| Recurrence within 2 years | ||||
|---|---|---|---|---|
| Parameter | Total | (−) | (+) | p valuea |
| Number of patients | 441 | 401 | 40 | |
| Median age | 50.6 | 50.7 | 48.8 | 0.2210 |
| Pathologic T stage | ||||
| In situ/1 2 3 4 |
260 164 14 3 |
247 142 10 2 |
13 22 4 1 |
0.0012 |
| Pathologic N stage | ||||
| 0 1 2 3 |
285 84 50 22 |
274 69 42 16 |
11 15 8 6 |
<0.0001 |
| Stage grouping | ||||
| 0/I II III |
199 167 75 |
196 145 60 |
3 22 15 |
<0.0001 |
| Histology | ||||
| Invasive ductal carcinoma Invasive lobular carcinoma Invasive carcinoma NOS Mucinous carcinoma and others |
366 10 34 31 |
329 10 33 29 |
37 0 1 2 |
|
| Neoadjuvant therapy | ||||
| No Yes |
386 55 |
360 41 |
26 14 |
<0.0001 |
| ER | ||||
| − + |
153 288 |
134 267 |
19 21 |
0.070 |
| PR | ||||
| − + |
184 257 |
162 239 |
22 18 |
0.065 |
| Primary tumor SUVmax | ||||
| Focal FDG uptake (−) Focal FDG uptake (+) Mean SUVmax ± SD |
38 403 4.2 ± 3.1 |
38 363 4.1 ± 3.1 |
0 40 4.9 ± 3.0 |
0.1578 |
| Axillary LN FDG uptake | ||||
| Imperceptible Perceptible |
271 170 |
253 148 |
18 22 |
0.0250 |
aValues in italics are statistically significant