Table 2.
Color channel results from linear mixed models using mean values as input for each of the tested features. Abbrev., S1=Nikon, S2=Olympus, Huron=S3, S1-3=Nikon-Huron histogram match, S2-3=Olympus-Huron histogram match.
| Feature | Scanner | Mean difference | Std. error | df | P-value | 95% confidence interval |
||
|---|---|---|---|---|---|---|---|---|
| Lower bound | Upper bound | |||||||
| Red | S3 | S1-3 | 1.95 | 0.61 | 764.00 | <.001 | 0.75 | 3.16 |
| S1 | 3.03 | 0.61 | 764.00 | <.001 | 1.82 | 4.23 | ||
| S2-3 | 19.79 | 0.61 | 764.00 | <.001 | 18.58 | 20.99 | ||
| S2 | 14.24 | 0.61 | 764.00 | <.001 | 13.03 | 15.45 | ||
| S1-3 | S3 | -1.95 | 0.61 | 764.00 | <.001 | -3.16 | -0.75 | |
| S1 | 1.08 | 0.61 | 764.00 | .08 | -0.13 | 2.28 | ||
| S2-3 | 17.84 | 0.61 | 764.00 | <.001 | 16.63 | 19.04 | ||
| S2 | 12.29 | 0.61 | 764.00 | <.001 | 11.08 | 13.49 | ||
| S1 | S3 | -3.03 | 0.61 | 764.00 | <.001 | -4.23 | -1.82 | |
| S1-3 | -1.08 | 0.61 | 764.00 | .08 | -2.28 | 0.13 | ||
| S2-3 | 16.76 | 0.61 | 764.00 | <.001 | 15.55 | 17.97 | ||
| S2 | 11.21 | 0.61 | 764.00 | <.001 | 10.00 | 12.42 | ||
| S2-3 | S3 | -19.79 | 0.61 | 764.00 | <.001 | -20.99 | -18.58 | |
| S1-3 | -17.84 | 0.61 | 764.00 | <.001 | -19.04 | -16.63 | ||
| S1 | -16.76 | 0.61 | 764.00 | <.001 | -17.97 | -15.55 | ||
| S2 | -5.55 | 0.61 | 764.00 | <.001 | -6.75 | -4.34 | ||
| S2 | S3 | -14.24 | 0.61 | 764.00 | <.001 | -15.45 | -13.03 | |
| S1-3 | -12.29 | 0.61 | 764.00 | <.001 | -13.49 | -11.08 | ||
| S1 | -11.21 | 0.61 | 764.00 | <.001 | -12.42 | -10.00 | ||
| S2-3 | 5.55 | 0.61 | 764.00 | <.001 | 4.34 | 6.75 | ||
| Green | S3 | S1-3 | -29.33 | 0.74 | 764.00 | <.001 | -30.77 | -27.88 |
| S1 | -27.24 | 0.74 | 764.00 | <.001 | -28.69 | -25.80 | ||
| S2-3 | 10.03 | 0.74 | 764.00 | <.001 | 8.59 | 11.48 | ||
| S2 | 6.73 | 0.74 | 764.00 | <.001 | 5.28 | 8.17 | ||
| S1-3 | S3 | 29.33 | 0.74 | 764.00 | <.001 | 27.88 | 30.77 | |
| S1 | 2.08 | 0.74 | 764.00 | <.001 | 0.63 | 3.53 | ||
| S2-3 | 39.36 | 0.74 | 764.00 | <.001 | 37.91 | 40.81 | ||
| S2 | 36.05 | 0.74 | 764.00 | <.001 | 34.60 | 37.50 | ||
| S1 | S3 | 27.24 | 0.74 | 764.00 | <.001 | 25.80 | 28.69 | |
| S1-3 | -2.08 | 0.74 | 764.00 | <.001 | -3.53 | -0.63 | ||
| S2-3 | 37.28 | 0.74 | 764.00 | <.001 | 35.83 | 38.72 | ||
| S2 | 33.97 | 0.74 | 764.00 | <.001 | 32.52 | 35.42 | ||
| S2-3 | S3 | -10.03 | 0.74 | 764.00 | <.001 | -11.48 | -8.59 | |
| S1-3 | -39.36 | 0.74 | 764.00 | <.001 | -40.81 | -37.91 | ||
| S1 | -37.28 | 0.74 | 764.00 | <.001 | -38.72 | -35.83 | ||
| S2 | -3.31 | 0.74 | 764.00 | <.001 | -4.76 | -1.86 | ||
| S2 | S3 | -6.73 | 0.74 | 764.00 | <.001 | -8.17 | -5.28 | |
| S1-3 | -36.05 | 0.74 | 764.00 | <.001 | -37.50 | -34.60 | ||
| S1 | -33.97 | 0.74 | 764.00 | <.001 | -35.42 | -32.52 | ||
| S2-3 | 3.31 | 0.74 | 764.00 | <.001 | 1.86 | 4.76 | ||
| Blue | S3 | S1-3 | -5.44 | 0.65 | 764.00 | <.001 | -6.71 | -4.16 |
| S1 | -4.04 | 0.65 | 764.00 | <.001 | -5.31 | -2.76 | ||
| S2-3 | 12.63 | 0.65 | 764.00 | <.001 | 11.35 | 13.90 | ||
| S2 | 7.66 | 0.65 | 764.00 | <.001 | 6.38 | 8.93 | ||
| S1-3 | S3 | 5.44 | 0.65 | 764.00 | <.001 | 4.16 | 6.71 | |
| S1 | 1.40 | 0.65 | 764.00 | .03 | 0.13 | 2.68 | ||
| S2-3 | 18.07 | 0.65 | 764.00 | <.001 | 16.79 | 19.34 | ||
| S2 | 13.09 | 0.65 | 764.00 | <.001 | 11.82 | 14.37 | ||
| S1 | S3 | 4.04 | 0.65 | 764.00 | <.001 | 2.76 | 5.31 | |
| S1-3 | -1.40 | 0.65 | 764.00 | .03 | -2.68 | -0.13 | ||
| S2-3 | 16.66 | 0.65 | 764.00 | <.001 | 15.39 | 17.94 | ||
| S2 | 11.69 | 0.65 | 764.00 | <.001 | 10.42 | 12.96 | ||
| S2-3 | S3 | -12.63 | 0.65 | 764.00 | <.001 | -13.90 | -11.35 | |
| S1-3 | -18.07 | 0.65 | 764.00 | <.001 | -19.34 | -16.79 | ||
| S1 | -16.66 | 0.65 | 764.00 | <.001 | -17.94 | -15.39 | ||
| S2 | -4.97 | 0.65 | 764.00 | <.001 | -6.25 | -3.70 | ||
| S2 | S3 | -7.66 | 0.65 | 764.00 | <.001 | -8.93 | -6.38 | |
| S1-3 | -13.09 | 0.65 | 764.00 | <.001 | -14.37 | -11.82 | ||
| S1 | -11.69 | 0.65 | 764.00 | <.001 | -12.96 | -10.42 | ||
| S2-3 | 4.97 | 0.65 | 764.00 | <.001 | 3.70 | 6.25 | ||
| Hematoxylin | S3 | S1-3 | -0.03 | 0.01 | 764.00 | <.001 | -0.05 | -0.02 |
| S1 | -0.02 | 0.01 | 764.00 | .01 | -0.03 | 0.00 | ||
| S2-3 | -0.17 | 0.01 | 764.00 | <.001 | -0.18 | -0.16 | ||
| S2 | 0.01 | 0.01 | 764.00 | .36 | -0.01 | 0.02 | ||
| S1-3 | S3 | 0.03 | 0.01 | 764.00 | <.001 | 0.02 | 0.05 | |
| S1 | 0.02 | 0.01 | 764.00 | .01 | 0.00 | 0.03 | ||
| S2-3 | -0.14 | 0.01 | 764.00 | <.001 | -0.15 | -0.13 | ||
| S2 | 0.04 | 0.01 | 764.00 | <.001 | 0.03 | 0.05 | ||
| S1 | S3 | 0.02 | 0.01 | 764.00 | .01 | 0.00 | 0.03 | |
| S1-3 | -0.02 | 0.01 | 764.00 | .01 | -0.03 | 0.00 | ||
| S2-3 | -0.15 | 0.01 | 764.00 | <.001 | -0.17 | -0.14 | ||
| S2 | 0.02 | 0.01 | 764.00 | <.001 | 0.01 | 0.04 | ||
| S2-3 | S3 | 0.17 | 0.01 | 764.00 | <.001 | 0.16 | 0.18 | |
| S1-3 | 0.14 | 0.01 | 764.00 | <.001 | 0.13 | 0.15 | ||
| S1 | 0.15 | 0.01 | 764.00 | <.001 | 0.14 | 0.17 | ||
| S2 | 0.18 | 0.01 | 764.00 | <.001 | 0.16 | 0.19 | ||
| S2 | S3 | -0.01 | 0.01 | 764.00 | .36 | -0.02 | 0.01 | |
| S1-3 | -0.04 | 0.01 | 764.00 | <.001 | -0.05 | -0.03 | ||
| S1 | -0.02 | 0.01 | 764.00 | <.001 | -0.04 | -0.01 | ||
| S2-3 | -0.18 | 0.01 | 764.00 | <.001 | -0.19 | -0.16 | ||
| Eosin | S3 | S1-3 | 0.02 | 0.01 | 764.00 | <.001 | 0.01 | 0.03 |
| S1 | 0.03 | 0.01 | 764.00 | <.001 | 0.02 | 0.04 | ||
| S2-3 | -0.12 | 0.01 | 764.00 | <.001 | -0.13 | -0.11 | ||
| S2 | 0.07 | 0.01 | 764.00 | <.001 | 0.06 | 0.08 | ||
| S1-3 | S3 | -0.02 | 0.01 | 764.00 | <.001 | -0.03 | -0.01 | |
| S1 | 0.01 | 0.01 | 764.00 | .14 | 0.00 | 0.02 | ||
| S2-3 | -0.14 | 0.01 | 764.00 | <.001 | -0.15 | -0.13 | ||
| S2 | 0.05 | 0.01 | 764.00 | <.001 | 0.03 | 0.06 | ||
| S1 | S3 | -0.03 | 0.01 | 764.00 | <.001 | -0.04 | -0.02 | |
| S1-3 | -0.01 | 0.01 | 764.00 | .14 | -0.02 | 0.00 | ||
| S2-3 | -0.15 | 0.01 | 764.00 | <.001 | -0.16 | -0.14 | ||
| S2 | 0.04 | 0.01 | 764.00 | <.001 | 0.03 | 0.05 | ||
| S2-3 | S3 | 0.12 | 0.01 | 764.00 | <.001 | 0.11 | 0.13 | |
| S1-3 | 0.14 | 0.01 | 764.00 | <.001 | 0.13 | 0.15 | ||
| S1 | 0.15 | 0.01 | 764.00 | <.001 | 0.14 | 0.16 | ||
| S2 | 0.19 | 0.01 | 764.00 | <.001 | 0.18 | 0.20 | ||
| S2 | S3 | -0.07 | 0.01 | 764.00 | <.001 | -0.08 | -0.06 | |
| S1-3 | -0.05 | 0.01 | 764.00 | <.001 | -0.06 | -0.03 | ||
| S1 | -0.04 | 0.01 | 764.00 | <.001 | -0.05 | -0.03 | ||
| S2-3 | -0.19 | 0.01 | 764.00 | <.001 | -0.20 | -0.18 | ||
| Residual | S3 | S1-3 | 0.04 | 0.01 | 764.00 | <.001 | 0.02 | 0.05 |
| S1 | 0.05 | 0.01 | 764.00 | <.001 | 0.04 | 0.07 | ||
| S2-3 | -0.18 | 0.01 | 764.00 | <.001 | -0.19 | -0.16 | ||
| S2 | 0.09 | 0.01 | 764.00 | <.001 | 0.07 | 0.11 | ||
| S1-3 | S3 | -0.04 | 0.01 | 764.00 | <.001 | -0.05 | -0.02 | |
| S1 | 0.02 | 0.01 | 764.00 | .06 | 0.00 | 0.03 | ||
| S2-3 | -0.21 | 0.01 | 764.00 | <.001 | -0.23 | -0.20 | ||
| S2 | 0.05 | 0.01 | 764.00 | <.001 | 0.04 | 0.07 | ||
| S1 | S3 | -0.05 | 0.01 | 764.00 | <.001 | -0.07 | -0.04 | |
| S1-3 | -0.02 | 0.01 | 764.00 | .06 | -0.03 | 0.00 | ||
| S2-3 | -0.23 | 0.01 | 764.00 | <.001 | -0.25 | -0.21 | ||
| S2 | 0.04 | 0.01 | 764.00 | <.001 | 0.02 | 0.05 | ||
| S2-3 | S3 | 0.18 | 0.01 | 764.00 | <.001 | 0.16 | 0.19 | |
| S1-3 | 0.21 | 0.01 | 764.00 | <.001 | 0.20 | 0.23 | ||
| S1 | 0.23 | 0.01 | 764.00 | <.001 | 0.21 | 0.25 | ||
| S2 | 0.27 | 0.01 | 764.00 | <.001 | 0.25 | 0.28 | ||
| S2 | S3 | -0.09 | 0.01 | 764.00 | <.001 | -0.11 | -0.07 | |
| S1-3 | -0.05 | 0.01 | 764.00 | <.001 | -0.07 | -0.04 | ||
| S1 | -0.04 | 0.01 | 764.00 | <.001 | -0.05 | -0.02 | ||
| S2-3 | -0.27 | 0.01 | 764.00 | <.001 | -0.28 | -0.25 | ||