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. 2017 Mar 13;8(3):214–218. doi: 10.1111/1759-7714.12426

Table 1.

The quality control index of breast cancer in China in 2013

Areas M/I MV% DOC% UB%
All 0.24 87.94 0.41 0.28
Urban areas 0.23 88.88 0.42 0.27
Rural areas 0.26 86.41 0.40 0.30

DOC, death certificate only; M/I, mortality to incidence; MV, morphological verification; UB, unknown basis of diagnosis.