Supplementary Table 1. BCT candidacy, surgical procedure and BCT success
1A. Total sample (N=404)
Pre-NST
Post-NST
Candidate
N=197 (of 219 or 90%)
Candidate
N=219
(of 404, 54%)
Noncandidate
N=185
(of 404, 46%)
TOTAL
BCT attempted
If BCT attempted,
successful *
Final Surgery
BCT
138 (of 197, 70%)
130 (of 138, 94%)
Mastectomy N= 59 (of 197, 30%)
Non-candidate
N=22 (of 219 or 10%)
BCT
Candidate
N=78 (of 185 or 42%)
BCT
N= 0 (of 22,
0%)
Mastectomy N=22 (of 22, 100%)
53 (of 78, 68%)
48 (of 53, 91%)
Non-candidate
N=107 (of 185 or 58%)
Candidate
N=275 (of 404, 68%)
Non-Candidate
N=151 (of 404, 37%)
N=138 (of 197, 70%)
N=53 (of 78, 70%)
Mastectomy N=25 (of 78, 30%)
BCT
N=
0 (of 107,
0%)
Mastectomy N=107 (of 107, 100%)
191 (of 275, 69%)
178 (of 191, 93%)
BCT
N=191 (of 404, 47%)
Mastectomy N=213 (of 404, 53%)
1
1B. Arm 1: P (N=101)
Pre-NST
Post-NST
Candidate
N=47 (of 56, 84%)
Candidate
N=56
(of 101, 55%)
Noncandidate
N=45
(of 101, 45%)
TOTAL
BCT attempted
If BCT attempted,
successful
Final Surgery
BCT
32 (of 47, 68%)
31 (of 32, 97%)
Mastectomy N=15 (of 47, 32%)
Non-candidate
N=9 (of 56, 16%)
BCT
Candidate
N=15 (of 45, 33%)
BCT
N=0 (of 9,
0%)
Mastectomy N=9 (of 9, 100%)
12 (of 15, 80%)
12 (of 12, 100%)
Non-candidate
N=30 (of 45, 67%)
Candidate
N=62 (of 101, 61%)
Non-Candidate
N=39 (of 101, 39%)
N=32 (of 47, 68%)
N=12 (of 15, 80%)
Mastectomy N= 3 (of 15, 20%)
BCT
N= 0 (of 30,
0%)
Mastectomy N=30 (of 30, 100%)
44 (of 62, 71%)
43 (of 44, 98%)
BCT
N=44 (of 101, 44%)
Mastectomy N=57 (of 404, 56%)
2
1C. Arm 2: P+B->B (N=100)
Pre-NST
Post-NST
Candidate
N=59 (of 63, 94%)
Candidate
N=63
(of 100, 63%)
Noncandidate
N=37
(of 100, 37%)
TOTAL
BCT attempted
If BCT attempted,
successful
Final Surgery
BCT
41 (of 59, 69%)
37 (of 41, 90%)
Mastectomy N=18 (of 59, 31%)
Non-candidate
N=4 (of 63, 6%)
BCT
Candidate
N=14 (of 37, 38%)
BCT
N=0 (of 4,
0%)
Mastectomy N=4 (of 4, 100%)
8 (of 14, 57%)
8 (of 8, 100%)
Non-candidate
N=23 (of 37, 62%)
Candidate
N=73 (of 100, 73%)
Non-Candidate
N=27 (of 100, 27%)
N=41 (of 59, 69%)
N=8 (of 14, 57%)
Mastectomy N=6 (of 14, 43%)
BCT
N= 0 (of 23, 0%)
Mastectomy N=23 (of 23, 100%)
49 (of 73, 67%)
45 (of 44, 92%)
BCT
N=49 (of 100, 49%)
Mastectomy N=51 (of 100, 51%)
3
1D. Arm 3: P+Cb (N=101)
Pre-NST
Post-NST
Candidate
N=50 (of 54, 93%)
Candidate
N=54
(of 101, 53%)
Noncandidate
N=47
(of 101, 47%)
TOTAL
BCT attempted
If BCT attempted,
successful
Final Surgery
BCT
38 (of 50, 76%)
35 (of 38, 92%)
Mastectomy N=12 (of 50, 24%)
Non-candidate
N=4 (of 50, 7%)
BCT
Candidate
N=21 (of 47, 45%)
BCT
N=0 (of 4,
0%)
Mastectomy N=4 (of 4, 100%)
13 (of 21, 62%)
12 (of 13, 92%)
Non-candidate
N=26 (of 47, 55%)
Candidate
N=71 (of 101, 70%)
Non-Candidate
N=30 (of 101, 30%)
N=38 (of 50, 76%)
N=13 (of 21, 62%)
Mastectomy N= 8 (of 21, 38%)
BCT
N= 0 (of 26,
0%)
Mastectomy N=26 (of 26, 100%)
51 (of 71, 72%)
47 (of 51, 92%)
BCT
N=51 (of 101, 50%)
Mastectomy N=50 (of 101, 50%)
4
1E. Arm 4: P+Cb+B->B (N=102)
Pre-NST
Post-NST
Candidate
N=41 (of 46, 89%)
Candidate
N=46
(of 102, 45%)
Noncandidate
N=56
(of 102, 55%)
TOTAL
BCT attempted
If BCT attempted,
successful
Final Surgery
BCT
27 (of 41, 66%)
27 (of 27, 100%)
Mastectomy N=14 (of 41, 34%)
Non-candidate
N=5 (of 46, 11%)
BCT
Candidate
N=28 (of 56, 50%)
BCT
N=0 (of 5,
0%)
Mastectomy N=5 (of 5, 100%)
20 (of 28, 71%)
16 (of 20, 80%)
Non-candidate
N=28 (of 56, 50%)
Candidate
N=69 (of 102, 68%)
Non-Candidate
N=33 (of 102, 32%)
N=27 (of 41, 66%)
N=20 (of 28, 71%)
Mastectomy N= 8 (of 28, 29%)
BCT
N= 0 (of 28,
0%)
Mastectomy N=28 (of 28, 100%)
47 (of 69, 68%)
43 (of 47, 91%)
BCT
N=47 (of 102, 46%)
Mastectomy N=55 (of 102, 54%)
5