Table 2 DaT-SPECT visual read results of the imaged participants (N = 398)
Classification | Activity pattern | Participants, N (%) |
|---|---|---|
Normal | Activity in the putamen and caudate nuclei of both hemispheres is still visible | 15 (3.8%) |
Abnormal | Activity in the region of the putamen is absent or greatly reduced in at least one hemisphere. Activity is still visible in the caudate nuclei of both hemispheres | 81 (20.3%) |
Activity is absent in the putamen of both hemispheres and confined to the caudate nuclei | 204 (51.3%) | |
Activity is absent in the putamen of both hemispheres and greatly reduced in one or both caudate nuclei | 98 (24.6%) |