Table IV.

P‐values for significance of difference in head‐to‐head comparisons of sample size estimates: MCI‐HC above diagonal, MCI‐HC(Aβ⁻) below diagonal

Measure	Quarc‐ Entorhinal	Quarc‐ Hippocampus	Quarc‐Whole‐ Brain	FS‐ Entorhinal	FS‐ Hippocampus	FS‐Whole‐ Brain	FSx‐ Entorhinal	FSx‐ Hippocampus	FSx‐Whole‐ Brain	KN‐ BSI	TBM‐ Stat‐ROI	CDR‐SB
Quarc‐ERC		0.12	0.005	0.005	0.014	4e‐6	1e‐5	0.013	7e‐6	0.008	2e‐4	0.01
Quarc‐Hipp	0.29		0.2	0.2	0.36	0.002	0.004	0.33	0.003	0.31	0.037	0.37
Quarc‐Brain	0.049	0.3		0.91	0.83	0.056	0.19	0.57	0.14	0.8	0.24	0.67
FS‐ERC	0.005	0.1	0.51		0.44	0.02	0.11	0.86	0.019	0.88	0.4	0.77
FS‐Hipp	0.24	0.95	0.41	0.065		0.003	0.02	0.39	0.003	0.77	0.074	0.88
FS‐Brain	3e‐4	0.015	0.16	0.12	3e‐4		0.43	0.031	0.95	0.026	0.49	0.004
FSx‐ERC	4e‐6	3e‐4	0.051	0.047	6e‐6	0.83		0.29	0.21	0.063	0.72	0.05
FSx‐Hipp	0.076	0.39	0.61	0.86	0.1	0.065	0.057		0.025	0.8	0.076	0.54
FSx‐Brain	0.004	0.04	0.48	0.13	4e‐4	0.84	0.88	0.085		0.04	0.51	0.003
KN‐BSI	0.026	0.53	0.56	0.3	0.26	0.16	0.006	0.93	0.23		0.23	0.96
TBM‐St.ROI	0.013	0.15	0.37	0.76	0.003	0.81	0.48	0.17	0.6	0.15		0.51
CDR‐SB	0.015	0.16	0.92	0.94	0.06	0.051	0.02	0.91	0.04	0.42	0.63

Values significant at the 5% level are bold and underlined. Sample size estimates calculated from all available (per measure) subject‐timepoints are in Table II. Sample size head‐to‐head comparisons with Quarc are in Figure 5.