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Rate of change in values due to brain atrophy.
| Atrophy Level | Striatal VOI mean counts (Cs) | Reference VOI mean counts (Cr) | SBR | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 8:1 | 6:1 | 4:1 | 8:1 | 6:1 | 4:1 | 8:1 | 6:1 | 4:1 | |
| 1 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 |
| 2 | 98.67 | 98.31 | 97.34 | 96.85 | 96.52 | 96.52 | 104.02 | 104.95 | 103.47 |
| 3 | 98.38 | 97.80 | 96.42 | 95.81 | 94.82 | 95.16 | 105.80 | 108.40 | 105.40 |
Rate of change for each value with reference to atrophy Level 1. All values increased with the increase in the degree of brain atrophy.
