Table 1.
Participant demographics.
| Group | n (% female)* | Age at first MRI scan |
Time between MRI scans** |
|||||
|---|---|---|---|---|---|---|---|---|
| Mean | SD | p-value | Median | IQR | Range | MAD | ||
| ISS | 18 (3F, 16.7%) | 48.43 | 4.35 | ISS vs controls, p = 1.00 ISS vs older adults, p < .001 |
2.06 | 1.70 – 2.20 | 1.26 – 2.56 | 0.15 |
| Controls | 18 (3F, 16.7%) | 51.26 | 3.88 | Controls vs older adults, p < .001 | 2.50 | 1.73 – 3.28 | 1.12 – 3.90 | 0.75 |
| Older Adults | 79 (13F, 16.5%) | 73.26 | 5.34 | 2.01 | 1.68 – 2.30 | 1.00 – 2.59 | 0.30 | |
*There was no significant difference in the distribution of sex across the three groups.
**There were no significant differences in time between scans between the three groups.