Table 6.
Single linear regression models with reference values as explanatory variable (n = 164, P <0.0001 for all models and slope estimates)
| Variable | R-square | Intercept estimate | Intercept P | Slope estimate | Slope standardized estimate |
|---|---|---|---|---|---|
| Ki67-DIA-2 |
0.90 |
5.9692 |
<0.0001 |
0.7588 |
0.9494 |
| Ki67-DIA-1 |
0.89 |
-0.6389 |
0.5324 |
0.7892 |
0.9447 |
| Ki67-DIA-0 |
0.86 |
-0.9576 |
0.3389 |
0.6667 |
0.9278 |
| Ki67-VE-median |
0.86 |
-3.3799 |
0.0242 |
1.0093 |
0.9316 |
| Ki67-VE-1 |
0.74 |
-8.1114 |
<0.0001 |
0.8057 |
0.8514 |
| Ki67-VE-2 |
0.82 |
0.6733 |
0.7180 |
1.0616 |
0.9049 |
| Ki67-VE-3 |
0.85 |
0.1337 |
0.9382 |
1.0926 |
0.9210 |
| Ki67-VE-4 |
0.79 |
-2.7516 |
0.0987 |
0.8545 |
0.8545 |
| Ki67-VE-5 | 0.71 | 0.4763 | 0.8294 | 0.9245 | 0.8422 |
DIA, digital image analysis; VE, visual estimate.