Table 3.

Summary of statistical relationships between the US and cancer cell nuclear spacing measurements from matched histological images and use of different kernel sizes.

	Subject					Subject average
	1	2	3	4	5	H-scan US	B-scan US
Kernel size = 160 × 160 μm
p-value	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	0.002
R 2	0.05	0.18	0.17	0.10	0.60	0.17	0.00
95% CI	0.04 to 0.07	0.16 to 0.21	0.14 to 0.20	0.07 to 0.13	0.56 to 0.62	0.16 to 0.18	0.00 to 0.00
Slope	−0.51	−1.12	−1.12	−0.57	−0.94	−0.94	0.08
95% CI	−0.60 to −0.42	−1.26 to −1.07	−1.22 to −1.02	−0.65 to −0.49	−0.98 to −0.91	−0.98 to −0.90	0.03 to 0.13
Kernel size = 320 × 320 μm
p-value	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	0.07
R 2	0.03	0.27	0.17	0.25	0.58	0.22	0.00
95% CI	0.01 to 0.06	0.21 to 0.33	0.11 to 0.23	0.18 to 0.32	0.52 to 0.64	0.19 to 0.24	0.00 to 0.01
Slope	−0.3	−1.4	−1.2	−0.9	−0.7	−1.1	−0.1
95% CI	−0.5 to −0.2	−1.6 to −1.2	−1.4 to −1.0	−1.0 to −0.7	−0.9 to −0.60	−1.2 to −1.0	−0.2 to 0.0
Kernel size = 800 × 800 μm
p-value	0.003	< 0.001	0.03	0.001	< 0.001	< 0.001	0.23
R 2	0.12	0.40	0.06	0.18	0.42	0.29	0.01
95% CI	0.02 to 0.29	0.23 to 0.56	0.00 to 0.20	0.03 to 0.38	0.23 to 0.60	0.21 to 0.37	0.00 to 0.03
Slope	−1.0	−1.9	−0.9	−1.0	−0.9	−1.1	−0.3
95% CI	−1.6 to −0.4	−2.4 to −1.4	−1.6 to −0.1	−1.6 to −0.4	−1.2 to −0.6	−1.4 to −0.7	−0.7 to 0.2