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. 2023 Jul 4;14:100321. doi: 10.1016/j.jpi.2023.100321

Table 3.

First-order feature 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
Lumen density S3 S1-3 3.19 0.57 764.00 <.001 2.07 4.30
S1 1.13 0.57 764.00 .05 0.02 2.24
S2-3 -1.66 0.57 764.00 <.001 -2.77 -0.55
S2 -2.87 0.57 764.00 <.001 -3.98 -1.76
S1-3 S3 -3.19 0.57 764.00 <.001 -4.30 -2.07
S1 -2.06 0.57 764.00 <.001 -3.17 -0.95
S2-3 -4.84 0.57 764.00 <.001 -5.95 -3.73
S2 -6.05 0.57 764.00 <.001 -7.16 -4.94
S1 S3 -1.13 0.57 764.00 .05 -2.24 -0.02
S1-3 2.06 0.57 764.00 <.001 0.95 3.17
S2-3 -2.79 0.57 764.00 <.001 -3.90 -1.68
S2 -4.00 0.57 764.00 <.001 -5.11 -2.89
S2-3 S3 1.66 0.57 764.00 <.001 0.55 2.77
S1-3 4.84 0.57 764.00 <.001 3.73 5.95
S1 2.79 0.57 764.00 <.001 1.68 3.90
S2 -1.21 0.57 764.00 .03 -2.32 -0.10
S2 S3 2.87 0.57 764.00 <.001 1.76 3.98
S1-3 6.05 0.57 764.00 <.001 4.94 7.16
S1 4.00 0.57 764.00 <.001 2.89 5.11
S2-3 1.21 0.57 764.00 .03 0.10 2.32
Epithelium density S3 S1-3 12.17 3.00 764.00 <.001 6.28 18.06
S1 19.82 3.00 764.00 <.001 13.93 25.71
S2-3 -6.80 3.00 764.00 .02 -12.69 -0.91
S2 -38.07 3.00 764.00 <.001 -43.96 -32.17
S1-3 S3 -12.17 3.00 764.00 <.001 -18.06 -6.28
S1 7.65 3.00 764.00 .01 1.76 13.55
S2-3 -18.97 3.00 764.00 <.001 -24.86 -13.07
S2 -50.23 3.00 764.00 <.001 -56.13 -44.34
S1 S3 -19.82 3.00 764.00 <.001 -25.71 -13.93
S1-3 -7.65 3.00 764.00 .01 -13.55 -1.76
S2-3 -26.62 3.00 764.00 <.001 -32.51 -20.73
S2 -57.89 3.00 764.00 <.001 -63.78 -51.99
S2-3 S3 6.80 3.00 764.00 .02 0.91 12.69
S1-3 18.97 3.00 764.00 <.001 13.07 24.86
S1 26.62 3.00 764.00 <.001 20.73 32.51
S2 -31.27 3.00 764.00 <.001 -37.16 -25.37
S2 S3 38.07 3.00 764.00 <.001 32.17 43.96
S1-3 50.23 3.00 764.00 <.001 44.34 56.13
S1 57.89 3.00 764.00 <.001 51.99 63.78
S2-3 31.27 3.00 764.00 <.001 25.37 37.16
Stromal density S3 S1-3 16.77 2.34 764.00 <.001 12.18 21.36
S1 2.00 2.34 764.00 .39 -2.59 6.59
S2-3 9.12 2.34 764.00 <.001 4.53 13.71
S2 15.02 2.34 764.00 <.001 10.43 19.61
S1-3 S3 -16.77 2.34 764.00 <.001 -21.36 -12.18
S1 -14.77 2.34 764.00 <.001 -19.36 -10.18
S2-3 -7.65 2.34 764.00 <.001 -12.24 -3.06
S2 -1.75 2.34 764.00 .45 -6.34 2.84
S1 S3 -2.00 2.34 764.00 .39 -6.59 2.59
S1-3 14.77 2.34 764.00 <.001 10.18 19.36
S2-3 7.12 2.34 764.00 <.001 2.53 11.71
S2 13.02 2.34 764.00 <.001 8.43 17.61
S2-3 S3 -9.12 2.34 764.00 <.001 -13.71 -4.53
S1-3 7.65 2.34 764.00 <.001 3.06 12.24
S1 -7.12 2.34 764.00 <.001 -11.71 -2.53
S2 5.90 2.34 764.00 .01 1.31 10.49
S2 S3 -15.02 2.34 764.00 <.001 -19.61 -10.43
S1-3 1.75 2.34 764.00 .45 -2.84 6.34
S1 -13.02 2.34 764.00 <.001 -17.61 -8.43
S2-3 -5.90 2.34 764.00 .01 -10.49 -1.31
Epithelial cell density S3 S1-3 -1.26 4.90 764.00 .8 -10.87 8.36
S1 -18.18 4.90 764.00 <.001 -27.79 -8.56
S2-3 6.42 4.90 764.00 .19 -3.20 16.03
S2 3.30 4.90 764.00 .5 -6.31 12.92
S1-3 S3 1.26 4.90 764.00 .8 -8.36 10.87
S1 -16.92 4.90 764.00 <.001 -26.53 -7.31
S2-3 7.68 4.90 764.00 .12 -1.94 17.29
S2 4.56 4.90 764.00 .35 -5.05 14.18
S1 S3 18.18 4.90 764.00 <.001 8.56 27.79
S1-3 16.92 4.90 764.00 <.001 7.31 26.53
S2-3 24.60 4.90 764.00 <.001 14.98 34.21
S2 21.48 4.90 764.00 <.001 11.87 31.09
S2-3 S3 -6.42 4.90 764.00 .19 -16.03 3.20
S1-3 -7.68 4.90 764.00 .12 -17.29 1.94
S1 -24.60 4.90 764.00 <.001 -34.21 -14.98
S2 -3.11 4.90 764.00 .53 -12.73 6.50
S2 S3 -3.30 4.90 764.00 .5 -12.92 6.31
S1-3 -4.56 4.90 764.00 .35 -14.18 5.05
S1 -21.48 4.90 764.00 <.001 -31.09 -11.87
S2-3 3.11 4.90 764.00 .53 -6.50 12.73