Table 1 Comparison of clinicopathologic variables between breast conservation surgery (BCS) group and mastectomy group.
From: Optimal surgical procedure for treating early-stage adenoid cystic carcinoma of the breast
Variable | Overall cohort (n = 583) | BCS* (n = 386) | Mastectomy (n = 197) | p& |
|---|---|---|---|---|
Age | ||||
≤ 44 | 47 | 31 | 16 | |
45–59 | 224 | 144 | 80 | |
60–75 | 211 | 140 | 71 | |
75 + | 101 | 71 | 30 | 0.770 |
Sex | ||||
Female | 577 | 384 | 193 | |
Male | 6 | 2 | 4 | 0.187 |
Marital status | ||||
Married | 343 | 224 | 119 | |
Single | 71 | 49 | 22 | |
Others | 169 | 113 | 56 | 0.816 |
Race | ||||
White | 526 | 346 | 180 | |
Others | 57 | 40 | 17 | 0.505 |
Side | ||||
Left | 292 | 195 | 97 | |
Right | 291 | 191 | 100 | 0.770 |
Grade | ||||
I | 291 | 229 | 62 | |
II | 194 | 132 | 62 | |
III + IV | 98 | 58 | 40 | < 0.001 |
Radiotherapy | 258 | 240 | 18 | < 0.001 |
Chemotherapy | 73 | 45 | 28 | 0.378 |
Duration between diagnosis and surgery | ||||
≤ 1 month | 477 | 311 | 166 | |
> 1 month | 106 | 75 | 31 | 0.274 |
Regional nodes examined | ||||
0 | 144 | 124 | 20 | |
1–4 | 308 | 224 | 84 | |
5–9 | 77 | 42 | 35 | |
10 + | 54 | 29 | 25 | < 0.001 |
Disease stage | ||||
I | 333 | 243 | 90 | |
II | 250 | 143 | 107 | < 0.001 |
ER (+) | 103 | 75 | 28 | 0.118 |
PR (+) | 55 | 36 | 19 | 0.901 |
HER2 (+) | 3 | 2 | 1 | 1.000 |