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. 2004 Jan 20;90(2):393–396. doi: 10.1038/sj.bjc.6601548

Table 3. Distribution of cancer cases (screen detected and interval) according to Wolfe's and proportional density classification.

  Proportional density
 
Wolfe pattern 0 1–25% 26–74% >74% Total
N1 28 5 0 0 33 (7.8%)
P1 0 116 10 0 126 (29.8%)
P2 0 4 187 33 224 (53.0%)
DY 0 0 24 16 40 (9.4%)
           
Total 28 (6.6%) 125 (29.6%) 222 (52.5%) 49 (11.6%) 423 (100%)