≤1 cm >1 to ≤2 cm >2 cm Total
# % # % # % # %
# of cancers 17 100 22 100 6 100 45 100
Mean cancers by mammography 4.4 26 13.5 61 3.0 50 20.9 46
Mean additional cancers by AWBU 6.7 39 6.6 30 2.0 33 15.3 34
Mean total cases detected 11.1 65 20.1 91 5.0 83 36.2 80
% improvement compared to mammography alone 151% 49% 67% 73%