| Model and covariates | b ± SEb | P |
| PDGF model |
|
|
| LOH | −0.012 ± 0.029 | 0.69 |
| Age at diagnosis (per year) | −0.001 ± 0.001 | 0.26 |
| PDGF (compared to PDGF = 0) |
|
|
| PDGF = 1 - 2 | 0.015 ± 0.041 | 0.71 |
| PDGF = 3 - 4 | 0.117 ± 0.051 | 0.03 |
| Ki-67 model |
|
|
| LOH | −0.030 ± 0.030 | 0.31 |
| Age at diagnosis (per year) | −0.001 ± 0.001 | 0.26 |
| Ki-67 (compared to Ki-67 = 0) |
|
|
| Ki-67 = 1 - 2 | 0.024 ± 0.043 | 0.58 |
| Ki-67 = 3 - 4 | 0.071 ± 0.053 | 0.18 |