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Table 2 Fit parameters for relative error CE_Area fitted to proliferation index for all three heterogeneity classes

From: Impact of tissue sampling on accuracy of Ki67 immunohistochemistry evaluation in breast cancer

Proliferation fit to relative error
HexN All/Mixed Homogenous Heterogeneous
a b a b a b
1 0.128 0.58 0.092 0.684 0.168 0.481
2 0.093 0.553 0.068 0.647 0.119 0.482
3 0.077 0.542 0.057 0.63 0.097 0.48
4 0.068 0.533 0.051 0.614 0.084 0.478
5 0.062 0.527 0.046 0.604 0.076 0.477
6 0.057 0.521 0.043 0.595 0.069 0.474
7 0.053 0.516 0.04 0.587 0.064 0.473
8 0.05 0.512 0.038 0.579 0.06 0.473
9 0.048 0.507 0.037 0.572 0.057 0.471
10 0.046 0.502 0.035 0.564 0.054 0.469
11 0.044 0.498 0.034 0.557 0.052 0.469
12 0.042 0.493 0.033 0.549 0.05 0.467
13 0.041 0.489 0.032 0.543 0.048 0.463
14 0.04 0.486 0.031 0.538 0.047 0.463
15 0.039 0.482 0.031 0.531 0.045 0.464