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. 2011 Sep 16;19(e1):e54–e59. doi: 10.1136/amiajnl-2011-000335

Table 3.

Assigned linkage group for oncology data mart records

Bone marrow (%) Breast (%) Prostate (%) Combined (%)
Group 1 89.7 96.9 97.1 96.3
Group 2 7.4 2.4 2.0 2.7
Group 3 2.8 0.7 0.9 1.0