Table 4.
Spearman's correlations R and associate P values for both whole groups and groups stratified by clinical classification
| Clinical classification | Characteristic | Baseline |
18 mo |
||
|---|---|---|---|---|---|
| R | P value | R | P value | ||
| Whole group | Hippocampus | −0.257 | .0004 | −0.178 | .019 |
| HC | Hippocampus | −0.081 | .347 | 0.065 | .460 |
| MCI | Hippocampus | −0.141 | .410 | −0.121 | .582 |
| AD | Hippocampus | −0.032 | .908 | −0.445 | .066 |
| Whole group | SUVR | 0.242 | .0004 | 0.277 | .0001 |
| HC | SUVR | 0.027 | .749 | 0.078 | .359 |
| MCI | SUVR | −0.003 | .983 | 0.358 | .067 |
| AD | SUVR | −0.327 | .148 | −0.134 | .551 |
Abbreviations: HC, healthy control; MCI, mild cognitive impairment; AD, Alzheimer's disease; hippocampus, total hippocampus volume adjusted for intracranial volume; SUVR, standardized uptake value ratio.