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. Author manuscript; available in PMC: 2014 Mar 1.
Published in final edited form as: Biometrics. 2013 Feb 5;69(1):245–253. doi: 10.1111/j.1541-0420.2012.01831.x

Table 4.

Distribution of reasons for end of follow-up in the BCSC database.

N %
Loss to follow-up 88,291 61.7
End of study 52,719 36.9
Breast cancer diagnosis 1,251 0.9
Death 764 0.5