Number of subjects identified with PGGM hypointensity in different age groups for readers A and B
| Age (n) | Absent Signal | Hypointensity | ||
|---|---|---|---|---|
| Reader A | Reader B | Reader A | Reader B | |
| 0–30 years (20) | 20 | 20 | 0 | 0 |
| 31–40 years (20) | 19 | 19 | 1 | 1 |
| 41–50 years (21) | 18 | 18 | 3 | 3 |
| 51–60 years (21) | 15 | 15 | 6 | 6 |
| 61–70 years (20) | 14 | 15 | 6 | 5 |
| 71–80 years (20) | 8 | 9 | 12 | 11 |
Note:—PGGM indicates precentral gyrus gray matter.