871 / 1674
Breast induration
Whole breast
%
Partial breast
%
P value
Baseline
Grade 0
122
29.4
107
25.8
0.28
Grade 1
140
33.7
166
40.0
Grade 2
132
36.6
119
34.2
Grade 3
20
23
Not graded
1
0
Total
830
415
415
Year 1
Grade 0
128
37.9
152
44.1
0.12
Grade 1
157
46.4
146
42.3
Grade 2
47
15.7
38
12.1
Grade 3
6
5
Not graded
0
4
Total
683
338
345
Year 2
Grade 0
128
48.9
144
56.9
0.24
Grade 1
107
40.8
90
35.6
Grade 2
22
9.9
18
7.5
Grade 3
4
1
Not graded
1
0
Total
515
262
253
Year 3
Grade 0
81
44.8
96
55.8
0.07
Grade 1
86
47.5
63
36.6
Induration 2-3
14
7.7
11
6.4
0
0
Not graded
0
2
Total
353
181
172