Table 4 Cortical Thinning: appearance in Gruen Zones over the course of 5 years
Cortical thinning | 1 year | 2 year | 3 year | 5 year |
|---|---|---|---|---|
AP: Y/N | 46% | 52% | 55% | 56% |
AP Gruen zone 1 | 2% | 5% | 7% | 7% |
AP Gruen zone 2 | 3% | 5% | 9% | 11% |
AP Gruen zone 3 | – | – | – | – |
AP Gruen zone 4 | – | – | – | – |
AP Gruen zone 5 | – | – | – | – |
AP Gruen zone 6 | 9% | 14% | 16% | 17% |
AP Gruen zone 7 | 43% | 48% | 51% | 51% |
Axial: Y/N | 46% | 59% | 63% | 70% |
Axial Gruen zone 8 | 38% | 45% | 43% | 51% |
Axial Gruen zone 9 | 14% | 24% | 24% | 27% |
Axial Gruen zone 10 | – | – | 5% | 4% |
Axial Gruen zone 11 | – | – | – | – |
Axial Gruen zone 12 | 4% | 8% | 8% | 13% |
Axial Gruen zone 13 | 10% | 18% | 22% | 23% |
Axial Gruen zone 14 | 2% | 5% | 5% | 7% |