Figure 1.

Distribution of patients between the grading groups given in Table 1.: A. Group A, B. Group B. The value of the discriminant function for each patient is determined by a weighted combination of image features significantly associated (p < 0.001) with the characteristics of the grading groups, factors that dealt with sum of pixel intensities (sum density) and changes in spatial arrangement (diagonal moment and product moment).

Chapman et al. BMC Cancer 2007 7:174   doi:10.1186/1471-2407-7-174
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