From: Impact of tissue sampling on accuracy of Ki67 immunohistochemistry evaluation in breast cancer
Proliferation fit to relative error | ||||||
---|---|---|---|---|---|---|
Nuclei bin | All/Mixed | Homogenous | Heterogeneous | |||
a | b | a | b | a | b | |
250 | 0.171 | 0.571 | 0.137 | 0.644 | 0.209 | 0.494 |
500 | 0.111 | 0.697 | 0.085 | 0.815 | 0.178 | 0.421 |
750 | 0.109 | 0.573 | 0.087 | 0.658 | 0.148 | 0.425 |
1000 | 0.102 | 0.522 | 0.081 | 0.595 | 0.132 | 0.412 |
1250 | 0.094 | 0.509 | 0.076 | 0.572 | 0.117 | 0.426 |
1500 | 0.087 | 0.491 | 0.072 | 0.544 | 0.105 | 0.43 |
1750 | 0.078 | 0.516 | 0.064 | 0.575 | 0.096 | 0.434 |
2000 | 0.072 | 0.516 | 0.058 | 0.58 | 0.09 | 0.425 |
2250 | 0.069 | 0.504 | 0.056 | 0.567 | 0.086 | 0.419 |
2500 | 0.067 | 0.493 | 0.055 | 0.547 | 0.081 | 0.426 |
3750 | 0.055 | 0.487 | 0.046 | 0.538 | 0.068 | 0.411 |
5000 | 0.049 | 0.485 | 0.041 | 0.534 | 0.059 | 0.422 |
6250 | 0.046 | 0.494 | 0.037 | 0.539 | 0.054 | 0.47 |
7500 | 0.044 | 0.464 | 0.035 | 0.526 | 0.058 | 0.356 |
10000 | 0.039 | 0.507 | 0.033 | 0.532 | 0.042 | 0.543 |