Table 1.
|
TARGIT-A |
|
EBRT+boost |
|
||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
IORT (n = 25) |
EBRT (n = 46) |
IORT-EBRT (n = 16) |
|
IORT-boost (n=90) |
EBRT-boost (n=53) |
|
|||||
No. | % | No. | % | No. | % | P * | No. | % | No. | % | P ** | |
Age, years |
|
|
|
|
|
|
|
|
|
|
|
|
Mean |
65.5 |
65.2 |
61.8 |
0.276 |
60.1 |
49.9 |
<0.001 |
|||||
SD |
8.5 |
8.2 |
6.0 |
|
11.1 |
9.2 |
|
|||||
Married/partnered |
14 |
58 |
22 |
48 |
13 |
81 |
0.066 |
58 |
64 |
39 |
76 |
0.191 |
Employed |
4 |
16 |
9 |
20 |
0 |
0 |
0.185 |
27 |
31 |
31 |
60 |
<0.001 |
Months since BCS |
|
|
|
|
|
|
|
|
|
|
|
|
Mean |
32.7 |
30.6 |
35.6 |
0.641 |
34.2 |
47.5 |
<0.001 |
|||||
SD |
19.1 |
17.2 |
19.6 |
|
13.7 |
7.4 |
|
|||||
Tumor size |
|
|
|
|
|
|
|
|
|
|
|
|
0-1 cm |
8 |
32 |
14 |
30 |
3 |
19 |
0.376 |
13 |
14 |
6 |
11 |
0.414 |
1-2 cm |
16 |
64 |
25 |
34 |
9 |
56 |
|
49 |
54 |
23 |
43 |
|
> 2 cm |
1 |
4 |
7 |
15 |
4 |
25 |
|
28 |
31 |
24 |
45 |
|
Nodal involvement |
|
|
|
|
|
|
|
|
|
|
|
|
N0 |
23 |
92 |
36 |
78 |
14 |
88 |
0.622 |
66 |
73 |
34 |
65a |
0.253 |
N1 |
2 |
9 |
9 |
20 |
2 |
12 |
|
20 |
22 |
11 |
21 |
|
> N1 |
0 |
0 |
1 |
2 |
0 |
0 |
|
4 |
4 |
7 |
13 |
|
ALND |
4 |
16 |
14 |
30 |
4 |
25 |
0.409 |
55 |
61 |
41 |
79a |
<0.001 |
Chemotherapy |
4 |
17 |
5 |
11 |
2 |
12 |
0.908 |
18 |
20 |
36 |
68 |
<0.001 |
Endocrine therapy |
23 |
96 |
40 |
93 |
13 |
81 |
0.322 |
70 |
78 |
36 |
86 |
0.349 |
Radiotherapy of supra- and infraclavicular nodes |
0 |
0 |
2 |
4 |
0 |
0 |
0.693 |
7 |
8 |
10 |
19 |
0.049 |
Medical comorbidities ≥2b | 14 | 56 | 37 | 80 | 11 | 69 | 0.091 | 49 | 54 | 9 | 17 | <0.001 |
Abbreviations: TARGIT-A, TARGeted Intra-operative radioTherapy versus whole breast radiotherapy for breast cancer, IORT, intraoperative radiotherapy, EBRT, external beam whole breast radiotherapy, ALND, axillary lymph node dissection.
* IORT versus EBRT versus IORT-EBRT.
** IORT-EBRT versus IORT-boost versus EBRT-boost.
a One patient without axillary assessment.
b Coexisting medical conditions were assessed by medical record review and by patient self-report. A medical comorbidity was defined as having two or more physical illnesses or injuries that needed long-term treatment.