Table 5.
Summary of the composition of the full cohort and the atlas subset, including demographics, MRI coil used (8‐channel or 32‐channel), and cognitive testing
| Full cohort (n = 83) | Atlas subset (n = 29) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| NC (n = 43) | aMCI (n = 40) | NC (n = 15) | aMCI (n = 14) | |||||||
| Mean ± S.D. | Range | Mean ± S.D. | Range | P | Mean ± S.D. | Range | Mean ± S.D. | Range | P | |
| Sex (male/female) | 25/18 | 18/22 | 0.2752 | 7/8 | 6/8 | 1.0000 | ||||
| Age | 71.0 ± 9.6 | 54−88 | 71.8 ± 7.0 | 56−85 | 0.6737 | 66.3 ± 9.5 | 54−84 | 71.9 ± 6.2 | 63−80 | 0.0696 |
| Education (years) | 16.5 ± 2.9 | 12−20 | 16.6 ± 2.7 | 12−20 | 0.9179 | 15.6 ± 2.6 | 12−20 | 16.9 ± 2.8 | 12−20 | 0.1994 |
| MRI coil (8 ch/32 ch) | 37/6 | 32/8 | 0.5624 | 15/0 | 14/0 | 1.0000 | ||||
| MMSE | 29.4 ± 0.9 | 27−30 | 27.3 ± 1.8 | 22−30 | 0.0000 | 29.5 ± 1.0 | 27−30 | 26.9 ± 1.7 | 24−30 | 0.0001 |
| CERAD word list total | 23.8 ± 3.6 | 16−30 | 16.4 ± 4.1 | 8−24 | 0.0000 | 24.7 ± 2.9 | 21−29 | 16.2 ± 3.2 | 11−23 | 0.0000 |
| Delayed recall | 8.4 ± 1.6 | 4−10 | 3.6 ± 2.1 | 0−8 | 0.0000 | 8.7 ± 1.8 | 4−10 | 3.4 ± 2.1 | 0−8 | 0.0000 |
The P‐values are two‐tailed and computed using the t‐test for numerical variables and using the Fisher exact test for sex and MRI coil. Abbreviations: MMSE: Mini‐Mental State Examination; CERAD: Consortium to Establish a Registry for Alzheimer's Disease.