From: Diffusion of good practices of care and decline of the association with case volume: the example of breast conserving surgery
Proportion of women treated
BCS%
<50
50–100
>100
2000
0.22
0.23
0.55
47
50
63
2001
0.21
0.30
0.49
46
61
65
2002
0.17
0.32
0.51
54
57
66
2003
0.16
0.29
0.56
58
2004
0.12
0.38
0.50
69